Month: January 2013

Empirical Construct

Accuracy – The degree to which calculations or estimations are in proximity to exact or real values. See also: Precision Base Level – Prior to drawing conclusion from research data, it is frequently necessary to be informed about what is called…

Descriptive Statistics

Correlation Matrix – A square in which all correlation-coefficients of a study are located. All quantified variables are correlated to one another. The purpose is to discover unanticipated, hidden relations. Many such correlation-coefficient are irrelevant, nonsense, or involve pseudo-relations. For example:…

Trend

Point Cloud – The correlation of points in a scatter diagram. See also: Scatter diagram Profile – Graphic representation of research results in which the objective is to show clearly the differences between elements or parts. Profile Score – The individual…

Curvilinear Relation

Poisson Distribution – A special instance of a binomial distribution, in which the probability for a specific event is extremely small (for example: an accident). See also: Binomial distribution Probability Distribution – A distribution that expresses the probability of value X…

Vital Statistic

Time Series – A set of observations (data that are classified according to a unit of time. For example: monthly sales. See also: Time series Analysis Time Series Analysis – Techniques that are employed in an attempt to comprehend alterations in…

Classification

Base Period – A period of time during which data have been collected, data that are used as a base for an index number or for some other fractional number. The base period is usually one year. However, it can…

Company Statistics

Attribute – A qualitative characteristic of an individual, usually applied to distinguish a variable (or other quantitative characteristic). For example,sex is an attribute, but age a variable. Attributes are often dichotomous but not in every instance (for example, blood groups).…

Job Analysis

Commercial Psychology – The study of consumer behavior and industrial communications. The following are included in this subject: mass communication, creative formation of advertising messages, media models, integration of the communication mix into the marketing mix. See also: Mass Communication/Consumer…