Search results
Results From The WOW.Com Content Network
An entity–relationship model (or ER model) describes interrelated things of interest in a specific domain of knowledge. A basic ER model is composed of entity types (which classify the things of interest) and specifies relationships that can exist between entities (instances of those entity types).
Psychological pricing (also price ending or charm pricing) is a pricing and marketing strategy based on the theory that certain prices have a psychological impact. In this pricing method, retail prices are often expressed as just-below numbers: numbers that are just a little less than a round number, e.g. $19.99 or £2.98. [ 1 ]
Entity–relationship modeling is a database modeling method, used to produce a type of conceptual schema or semantic data model of a system, often a relational database, and its requirements in a top-down fashion. Diagrams created by this process are called entity-relationship diagrams, ER diagrams, or ERDs.
System structure diagrams – another way to express the structure of a qualitative dynamic system; Stock and flow diagrams - a way to quantify the structure of a dynamic system; These methods allow showing a mental model of a dynamic system, as an explicit, written model about a certain system based on internal beliefs.
Connection-based theories propose that the attachment or association with the self-induced by owning a good is responsible for the endowment effect (for a review, see Morewedge & Giblin, 2015 [2]). Work by Morewedge, Shu, Gilbert and Wilson (2009) [ 21 ] provides support for these theories, as does work by Maddux et al. (2010). [ 28 ]
One example is which option is more attractive between option A ($1,500 with a probability of 33%, $1,400 with a probability of 66%, and $0 with a probability of 1%) and option B (a guaranteed $920). Prospect theory and loss aversion suggests that most people would choose option B as they prefer the guaranteed $920 since there is a probability ...
The Monty Hall problem is a brain teaser, in the form of a probability puzzle, based nominally on the American television game show Let's Make a Deal and named after its original host, Monty Hall. The problem was originally posed (and solved) in a letter by Steve Selvin to the American Statistician in 1975.
A concept map or conceptual diagram is a diagram that depicts suggested relationships between concepts. [1] Concept maps may be used by instructional designers , engineers , technical writers , and others to organize and structure knowledge .