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In marine geology, a guyot (), also called a tablemount, is an isolated underwater volcanic mountain (seamount) with a flat top more than 200 m (660 ft) below the surface of the sea. The diameters of these flat summits can exceed 10 km (6.2 mi). Guyots are most commonly found in the Pacific Ocean, but they have been id...
Guyot
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In marine hydrodynamic applications, the Froude number is usually referenced with the notation Fn and is defined as: where u is the relative flow velocity between the sea and ship, g is in particular the acceleration due to gravity, and L is the length of the ship at the water line level, or Lwl in some notations. It i...
Critical flow
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In marine navigation a "dead" reckoning plot generally does not take into account the effect of currents or wind. Aboard ship a dead reckoning plot is considered important in evaluating position information and planning the movement of the vessel.Dead reckoning begins with a known position, or fix, which is then advanc...
Dead reckoning
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More modern methods include pit log referencing engine speed (e.g. in rpm) against a table of total displacement (for ships) or referencing one's indicated airspeed fed by the pressure from a pitot tube. This measurement is converted to an equivalent airspeed based upon known atmospheric conditions and measured errors ...
Dead reckoning
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This change is then converted to ship's speed. Distance is determined by multiplying the speed and the time. This initial position can then be adjusted resulting in an estimated position by taking into account the current (known as set and drift in marine navigation).
Dead reckoning
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If there is no positional information available, a new dead reckoning plot may start from an estimated position. In this case subsequent dead reckoning positions will have taken into account estimated set and drift. Dead reckoning positions are calculated at predetermined intervals, and are maintained between fixes.
Dead reckoning
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The duration of the interval varies. Factors including one's speed made good and the nature of heading and other course changes, and the navigator's judgment determine when dead reckoning positions are calculated.
Dead reckoning
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Before the 18th-century development of the marine chronometer by John Harrison and the lunar distance method, dead reckoning was the primary method of determining longitude available to mariners such as Christopher Columbus and John Cabot on their trans-Atlantic voyages. Tools such as the traverse board were developed ...
Dead reckoning
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In marine navigation, a pelorus is a reference tool for maintaining bearing of a vessel at sea. It is a "simplified compass" without a directive element, suitably mounted and provided with vanes to permit observation of relative bearings.The instrument was named for one Pelorus, said to have been the pilot for Hannibal...
Pelorus (instrument)
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In marine practice, the return connecting rod engine for screw propulsion was termed the back-acting(US parlance) or double piston rod engine.
Return connecting rod engine
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In marine propulsion, a variable-pitch propeller is a type of propeller with blades that can be rotated around their long axis to change the blade pitch. Reversible propellers—those where the pitch can be set to negative values—can also create reverse thrust for braking or going backwards without the need to change the...
Controllable pitch propeller
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By varying the propeller blades to the optimal pitch, higher efficiency can be obtained, thus saving fuel. A vessel with a VPP can accelerate faster from a standstill and can decelerate much more effectively, making stopping quicker and safer. A CPP can also improve vessel maneuverability by directing a stronger flow o...
Controllable pitch propeller
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Also, an FVPP is typically more efficient than a CPP for a single specific rotational speed and load condition. Accordingly, vessels that normally operate at a standard speed (such as large bulk carriers, tankers and container ships) will have an FVPP optimized for that speed. At the other extreme, a canal narrowboat w...
Controllable pitch propeller
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Vessels with medium or high speed diesel or gasoline engines use a reduction gear to reduce the engine output speed to an optimal propeller speed—although the large low speed diesels, whose cruising RPM is in the 80 to 120 range, are usually direct drive with direct-reversing engines. While an FVPP-equipped vessel need...
Controllable pitch propeller
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Compared to an FPP, a CPP is more efficient in reverse as the blades' leading edges remain as such in reverse also, so that the hydrodynamic cross-sectional shape is optimal for forward propulsion and satisfactory for reverse operations. In the mid-1970s, Uljanik Shipyard in Yugoslavia produced four VLCCs with CPPs – a...
Controllable pitch propeller
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For these vessels, fixed variable-pitch propellers would have been more appropriate.Controllable-pitch propellers are usually found on harbour or ocean-going tugs, dredgers, cruise ships, ferries, cargo vessels and larger fishing vessels. Prior to the development of CPPs, some vessels would alternate between "speed whe...
Controllable pitch propeller
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In marine systems a common problem involving barnacles growing on and in the canister can occur which can moderately to greatly reduce the amount of contaminant collected, as well as make it difficult to retrieve the devices.
Semipermeable membrane devices
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In marine systems, ocean currents have a key role determining which areas are effective as habitats, since ocean currents transport the basic nutrients needed to support marine life. Plankton are the life forms that inhabit the ocean that are so small (less than 2 mm) that they cannot effectively propel themselves thro...
Aquatic habitat
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In turn, as the population of drifting phytoplankton grows, the water becomes a suitable habitat for zooplankton, which feed on the phytoplankton. While phytoplankton are tiny drifting plants, zooplankton are tiny drifting animals, such as the larvae of fish and marine invertebrates. If sufficient zooplankton establish...
Aquatic habitat
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And then if sufficient forage fish move to the area, it becomes a candidate habitat for larger predatory fish and other marine animals that feed on the forage fish. In this dynamic way, the current itself can, over time, become a moving habitat for multiple types of marine life.
Aquatic habitat
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Ocean currents can be generated by differences in the density of the water. How dense water is depends on how saline or warm it is. If water contains differences in salt content or temperature, then the different densities will initiate a current.
Aquatic habitat
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Water that is saltier or cooler will be denser, and will sink in relation to the surrounding water. Conversely, warmer and less salty water will float to the surface. Atmospheric winds and pressure differences also produces surface currents, waves and seiches.
Aquatic habitat
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Ocean currents are also generated by the gravitational pull of the sun and moon (tides), and seismic activity (tsunami). The rotation of the Earth affects the direction ocean currents take, and explains which way the large circular ocean gyres rotate in the image above left. Suppose a current at the equator is heading ...
Aquatic habitat
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The Earth rotates eastward, so the water possesses that rotational momentum. But the further the water moves north, the slower the earth moves eastward. If the current could get to the North Pole, the earth would not be moving eastward at all.
Aquatic habitat
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To conserve its rotational momentum, the further the current travels north the faster it must move eastward. So the effect is that the current curves to the right. This is the Coriolis effect. It is weakest at the equator and strongest at the poles. The effect is opposite south of the equator, where currents curve left...
Aquatic habitat
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In maritime law, flotsam, jetsam, lagan, and derelict are specific kinds of shipwreck. The words have specific nautical meanings, with legal consequences in the law of admiralty and marine salvage. A shipwreck is defined as the remains of a ship that has been wrecked—a destroyed ship at sea, whether it has sunk or is f...
Flotsam, jetsam, lagan and derelict
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In maritime law, it is occasionally desirable to distinguish between the situation of a vessel striking a moving object, and that of it striking a stationary object. The word "allision" is then used to mean the striking of a stationary object, while "collision" is used to mean the striking of a moving object. Thus, whe...
Collision
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While there is no great difference between the two terms and often they are even used interchangeably, determining the difference helps clarify the circumstances of emergencies and adapt accordingly. In the case of Vane Line Bunkering, Inc. v. Natalie D M/V, it was established that there was the presumption that the mo...
Collision
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In maritime parlance a tender is a vessel that is used to support the operation of other vessels. In British usage, the term tender was used for small craft, with the term depot ship being used for large seagoing vessels. Flying boats and float planes even when based at home in ports and harbour had a need for small su...
Seaplane carrier
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These were used to ferry crews, stores and supplies between shore and the aircraft, to maintain the buoys used to mark out "taxiways" and "runways" and to keep these clear of debris to prevent foreign object damage, and in the case of emergency to act as rescue craft and airport crash tenders. All those functions that ...
Seaplane carrier
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In maritime situations, cargo nets can be slung over the side of a ship to allow passengers stranded in the water to climb aboard to safety. Cargo nets can also be used to transfer troops from a ship to landing craft.
Cargo net
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In maritime transport terms, and most commonly in sailing, jury-rigged is an adjective, a noun, and a verb. It can describe the actions of temporary makeshift running repairs made with only the tools and materials on board; and the subsequent results thereof. The origin of jury-rigged and jury-rigging lies in such effo...
Jury rigging
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In maritime usage, GMT retains its historical meaning of UT1, the mean solar time at Greenwich, which is empirically adjusted to track unpredictable variations in the Earth's rotational period. UTC, atomic time at Greenwich, makes these adjustments on a coarser granularity than GMT. Establishing latitude by local obser...
Nautical date line
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In marked contrast to his predecessors, Ptolemy's scales employed a division of the pyknon in the ratio of 1:2, melodic, in place of equal divisions. Ptolemy, in his Harmonics, ii.3–11, construed the tonoi differently, presenting all seven octave species within a fixed octave, through chromatic inflection of the scale ...
Musical system of ancient Greece
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In marked contrast to the aridity prevailing in most of Libya, there are forested areas in this region totalling around 3200 km2, although approximately a third of the original forest has already been destroyed to make way for agriculture. In addition to the forests there are also large areas of maquis and steppe-like ...
Jebel Akhdar (Libya)
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In the drier steppe-like areas, branched asphodel (Asphodelus ramosus), prickly burnet (Sarcopoterium spinosum) and white wormwood (Artemisia herba-alba) predominate. More than half of the endemic plant species in Libya are to be found in the Jebel Akhdar and, of these, seven are found only in the region: Arbutus pavar...
Jebel Akhdar (Libya)
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In market and brand focused companies, design management focuses mainly on brand design management, including corporate brand management and product brand management. Focusing on the brand as the core for design decisions results in a strong focus on the brand experience, customer touch points, reliability, recognition...
Design management
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Corporate design management implements, develops, and maintains the corporate identity, or brand. This type of brand management is strongly anchored in the organization to control and influence corporate design activities. The design program plays the role of a quality program within many fields of the organization to ...
Design management
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It is strongly linked to strategy, corporate culture, product development, marketing, organizational structure, and technological development. Achieving a consistent corporate brand requires the involvement of designers and a widespread design awareness among employees. A creative culture, knowledge sharing processes, ...
Design management
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Product brand design managementThe main focus of product brand management lies on the single product or product family. Product design management is linked to research and development, marketing, and brand management, and is present in the fast-moving consumer goods (FMCG) industry. It is responsible for the visual exp...
Design management
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In market rate net metering systems the user's energy use is priced dynamically according to some function of wholesale electric prices. The users' meters are programmed remotely to calculate the value and are read remotely. Net metering applies such variable pricing to excess power produced by a qualifying system. Mar...
Solar Guerrilla
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Under California law the payback for surplus electricity sent to the grid must be equal to the (variable, in this case) price charged at that time. Net metering enables small systems to result in zero annual net cost to the consumer provided that the consumer is able to shift demand loads to a lower price time, such as...
Solar Guerrilla
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In marketing and microeconomics, customer switching or consumer switching describes "customers/consumers abandoning a product or service in favor of a competitor". Assuming constant price, product or service quality, counteracting this behaviour in order to achieve maximal customer retention is the business of marketin...
Brand switching
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In marketing and sales, marketing collateral is a collection of media used to support the sales of a product or service. Historically, the term "collateral" specifically referred to brochures or sell sheets developed as sales support tools. These sales aids are intended to make the sales effort easier and more effectiv...
Marketing collateral
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In marketing and the social sciences, observational research (or field research) is a social research technique that involves the direct observation of phenomena in their natural setting. This differentiates it from experimental research in which a quasi-artificial environment is created to control for spurious factors...
Observational techniques
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In marketing engineering methods and models can be classified in several categories:
Marketing engineering
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In marketing jargon, product lining refers to the offering of several related products for individual sale. Unlike product bundling, where several products are combined into one group, which is then offered for sale as a units, product lining involves offering the products for sale separately. A line can comprise relat...
Product lining
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Line depth refers to the number of subcategories under a category. Line consistency refers to how closely related the products that make up the line are. Line vulnerability refers to the percentage of sales or profits that are derived from only a few products in the line.
Product lining
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In comparison to product bundling, which is a strategy of offering more than one product for promotion as one combined item to create differentiation and greater value, product lining consists of selling different related products individually. The products in the product line can come in various sizes, colours, qualit...
Product lining
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In marketing literature, contrast ratios for emissive (as opposed to reflective) displays are always measured under the optimum condition of a room in total darkness. In typical viewing situations, the contrast ratio is significantly lower due to the reflection of light from the surface of the display, making it harder...
Contrast ratio
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A modern computer LCD monitor is typically at 1000:1, and TVs might be over 4000:1. Dynamic contrast ratio is usually measured at factory with two panels (one versus another) of the same model as each panel will have an inherent dark and light (hot) spot. Static is usually measured with the same screen showing half scr...
Contrast ratio
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In marketing research, an audience's energy takes the form of psychological heat: hot cognition is an emotional thought process and cold cognition is a cognitive thought process.
Hot cognition
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In marketing research, the most frequently used types of observational techniques are: Personal observation observing products in use to detect usage patterns and problems observing license plates in store parking lots determining the socio-economic status of shoppers determining the level of package scrutiny determini...
Observational techniques
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In marketing situations, it is important that the prior probability is (1) chosen correctly, and (2) is understood. A disadvantage to using Bayesian analysis is that there is no ‘correct’ way to choose a prior, therefore the inferences require a thorough analysis to translate the subjective prior beliefs into a mathema...
Bayesian inference in marketing
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Often when deciding between strategies based on a decision, they are interpreted as: where there is evidence X that shows condition A might hold true, is misread by judging A's likelihood by how well the evidence X matches A, but crucially without considering the prior frequency of A. In alignment with Falsification, w...
Bayesian inference in marketing
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In marketing strategy, first-mover advantage (FMA) is the competitive advantage gained by the initial ("first-moving") significant occupant of a market segment. First-mover advantage enables a company or firm to establish strong brand recognition, customer loyalty, and early purchase of resources before other competito...
First mover advantage
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In marketing, "attribution" is the measurement of effectiveness of particular ads in a consumer's ultimate decision to purchase. Multiple ad impressions may lead to a consumer "click" or other action. A single action may lead to revenue being paid to multiple ad space sellers.
Online marketing platform
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In marketing, Bayesian inference allows for decision making and market research evaluation under uncertainty and with limited data.
Bayesian inference in marketing
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In marketing, a blind taste test is often used as a tool for companies to compare their brand to another brand. For example, the Pepsi Challenge is a famous taste test that has been run by Pepsi since 1975. Additionally, taste tests are sometimes used as a tool by companies to develop their brand or new products.
Blind taste test
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Blind taste tests are ideal for goods such as food or wine that are consumed directly. Researchers use blind taste tests to obtain information about customers' perceptions and preferences on the goods. Blind taste test can be used to: Track views on a product over time assess changes or improvements made to a product g...
Blind taste test
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In marketing, a call to action (CTA) is an instruction to the audience designed to provoke an immediate response, usually using an imperative verb such as "call now", "find out more" or "visit a store today". Other types of calls to action might provide consumers with strong reasons for purchasing immediately, such an ...
Call to action (marketing)
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An obvious CTA would be a request for the consumer to purchase a product or provide personal details and contact information. A CTA often takes the form of a digital image that encourages a lead to move closer towards making a purchase. “Click here,” “Download Now,” and “Learn More,” are all examples of CTAs online con...
Call to action (marketing)
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In marketing, a company’s value proposition is the full mix of benefits or economic value which it promises to deliver to the current and future customers (i.e., a market segment) who will buy their products and/or services. It is part of a company's overall marketing strategy which differentiates its brand and fully p...
Value creation
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Kaplan and Norton note thatStrategy is based on a differentiated customer value proposition. Satisfying customers is the source of sustainable value creation. Developing a value proposition is based on a review and analysis of the benefits, costs, and value that an organization can deliver to its customers, prospective...
Value creation
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It is also a positioning of value, where Value = Benefits − Cost (cost includes economic risk).A value proposition can be set out as a business or marketing statement (called a "positioning statement") which summarizes why a consumer should buy a product or use a service. A compellingly worded positioning statement has...
Value creation
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It is usually communicated to the customers via the company's website and other advertising and marketing materials. Conversely, a customer's value proposition is the perceived subjective value, satisfaction or usefulness of a product or service (based on its differentiating features and its personal and social values ...
Value creation
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However, often there is a discrepancy between what the company thinks about its value proposition and what the clients think it is.A company's value propositions can evolve, whereby values can add up over time. For example, Apple's value proposition contains a mix of three values.
Value creation
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Originally, in the 1980s, it communicated that its products are creative, elegant and "cool" and thus different from the status quo ("Think different"). Then in the first two decades of the 21st century, it communicated its second value of providing the customers with a reliable, smooth, hassle-free user experience wit...
Value creation
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In marketing, a coupon is a ticket or document that can be redeemed for a financial discount or rebate when purchasing a product. Customarily, coupons are issued by manufacturers of consumer packaged goods or by retailers, to be used in retail stores as a part of sales promotions. They are often widely distributed thro...
Internet coupon
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"Only about 4 percent" of coupons received were redeemed. Coupons can be targeted selectively to regional markets in which price competition is great. Most coupons have an expiration date, although American military commissaries overseas honor manufacturers' coupons for up to six months past the expiration date.
Internet coupon
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In marketing, a customer value proposition (CVP) consists of the sum total of benefits which a vendor promises a customer will receive in return for the customer's associated payment (or other value-transfer). Customer Value Management was started by Ray Kordupleski in the 1980s and discussed in his book, Mastering Cus...
Customer value proposition
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In marketing, a product is an object, or system, or service made available for consumer use as of the consumer demand; it is anything that can be offered to a market to satisfy the desire or need of a customer. In retailing, products are often referred to as merchandise, and in manufacturing, products are bought as raw...
Product model
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In project management, products are the formal definition of the project deliverables that make up or contribute to delivering the objectives of the project. A related concept is that of a sub-product, a secondary but useful result of a production process. Dangerous products, particularly physical ones, that cause inju...
Product model
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In marketing, a publicity stunt is a planned event designed to attract the public's attention to the event's organizers or their cause. Publicity stunts can be professionally organized, or set up by amateurs. Such events are frequently utilized by both advertisers and celebrities, the majority of whom are notable athle...
Publicity stunts
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They can be in the form of groundbreakings, world record attempts, dedications, press conferences, or organized protests. By staging and managing these types of events, the organizations attempt to gain some form of control over what is reported in the media. Successful publicity stunts have news value, offer photo, vi...
Publicity stunts
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In marketing, abandonment rate is a term associated with the use of virtual shopping carts. Also known as "shopping cart abandonment". Although shoppers in brick and mortar stores rarely abandon their carts, abandonment of virtual shopping carts is quite common.
Abandonment rate
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Marketers can count how many of the shopping carts used in a specified period result in completed sales versus how many are abandoned. The abandonment rate is the ratio of the number of abandoned shopping carts to the number of initiated transactions or to the number of completed transactions.Around 10 sources of infor...
Abandonment rate
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In marketing, brand implementation refers to the physical representation and consistent application of brand identity across visual and verbal media. In visual terms, this can include signage, uniforms, liveries, interior design and branded merchandise. Brand implementation encompasses facets of architecture, product d...
Brand implementation
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Brand implementation is an integrated part of a branding cycle and needs to be initiated during the brand design and development phase. Brand implementation is the continuous and consistent application of the brand's image in all business units, communication channels and media. This refers to marketing and branding as...
Brand implementation
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In marketing, brand loyalty describes a consumer's positive feelings towards a brand and their dedication to purchasing the brand's products and/or services repeatedly regardless of deficiencies, a competitor's actions, or changes in the environment. It can also be demonstrated with other behaviors such as positive wor...
Brand loyalty
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In marketing, brand management begins with an analysis on how a brand is currently perceived in the market, proceeds to planning how the brand should be perceived if it is to achieve its objectives and continues with ensuring that the brand is perceived as planned and secures its objectives. Developing a good relations...
Brand development
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In marketing, branded content (also known as branded entertainment) is content produced by an advertiser or content whose creation was funded by an advertiser. In contrast to content marketing (in which content is presented first and foremost as a marketing ploy for a brand) and product placement (where advertisers pay...
Branded entertainment
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Unlike conventional forms of editorial content, branded content is generally funded entirely by a brand or corporation rather than a studio or a group of solely artistic producers. Examples of branded content have appeared in television, film, online content, video games, events, and other installations. Modern branded...
Branded entertainment
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In marketing, carrying cost, carrying cost of inventory or holding cost refers to the total cost of holding inventory. This includes warehousing costs such as rent, utilities and salaries, financial costs such as opportunity cost, and inventory costs related to perishability, shrinkage (leakage) and insurance. Carrying...
Holding Cost
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Cycle stock is held based on the re-order point, and defines the inventory that must be held for production, sale or consumption during the time between re-order and delivery. Safety stock is held to account for variability, either upstream in supplier lead time, or downstream in customer demand. Physical stock is held...
Holding Cost
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In marketing, complementary goods give additional market power to the producer. It allows vendor lock-in by increasing switching costs. A few types of pricing strategy exist for a complementary good and its base good: Pricing the base good at a relatively low price - this approach allows easy entry by consumers (e.g. l...
Complement goods
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In marketing, contact center telephony is the communication and collaboration system used by businesses to either manage high volumes of inbound queries or outbound telephone calls keeping their workforce or agents productive and in control to serve or acquire customers. This business communication system is an extensi...
Contact center telephony
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In marketing, customer lifetime value (CLV or often CLTV), lifetime customer value (LCV), or life-time value (LTV) is a prognostication of the net profit contributed to the whole future relationship with a customer. The prediction model can have varying levels of sophistication and accuracy, ranging from a crude heuris...
Customer lifetime value
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Customer lifetime value is an important concept in that it encourages firms to shift their focus from quarterly profits to the long-term health of their customer relationships. Customer lifetime value is an important metric because it represents an upper limit on spending to acquire new customers. For this reason it is...
Customer lifetime value
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In marketing, customers can be grouped into fuzzy clusters based on their needs, brand choices, psycho-graphic profiles, or other marketing related partitions.
Fuzzy clustering
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In marketing, discriminant analysis was once often used to determine the factors which distinguish different types of customers and/or products on the basis of surveys or other forms of collected data. Logistic regression or other methods are now more commonly used. The use of discriminant analysis in marketing can be ...
Linear Discriminant Analysis
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Survey questions ask the respondent to rate a product from one to five (or 1 to 7, or 1 to 10) on a range of attributes chosen by the researcher. Anywhere from five to twenty attributes are chosen. They could include things like: ease of use, weight, accuracy, durability, colourfulness, price, or size.
Linear Discriminant Analysis
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The attributes chosen will vary depending on the product being studied. The same question is asked about all the products in the study. The data for multiple products is codified and input into a statistical program such as R, SPSS or SAS.
Linear Discriminant Analysis
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(This step is the same as in Factor analysis). Estimate the Discriminant Function Coefficients and determine the statistical significance and validity—Choose the appropriate discriminant analysis method. The direct method involves estimating the discriminant function so that all the predictors are assessed simultaneous...
Linear Discriminant Analysis
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The stepwise method enters the predictors sequentially. The two-group method should be used when the dependent variable has two categories or states. The multiple discriminant method is used when the dependent variable has three or more categorical states.
Linear Discriminant Analysis
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Use Wilks's Lambda to test for significance in SPSS or F stat in SAS. The most common method used to test validity is to split the sample into an estimation or analysis sample, and a validation or holdout sample. The estimation sample is used in constructing the discriminant function.
Linear Discriminant Analysis
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The validation sample is used to construct a classification matrix which contains the number of correctly classified and incorrectly classified cases. The percentage of correctly classified cases is called the hit ratio. Plot the results on a two dimensional map, define the dimensions, and interpret the results.
Linear Discriminant Analysis
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The statistical program (or a related module) will map the results. The map will plot each product (usually in two-dimensional space).
Linear Discriminant Analysis
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The distance of products to each other indicate either how different they are. The dimensions must be labelled by the researcher. This requires subjective judgement and is often very challenging. See perceptual mapping.
Linear Discriminant Analysis
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In marketing, focus groups are seen as an important tool for acquiring feedback regarding new products and other marketing-related topics. Focus groups are usually employed in the early stages of product or concept development, when organizations are trying to determine the overall direction of a marketing initiative. ...
Focus Group
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