dichotomous variable

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• dichotomous variable — a categorical variable that can assign data to one of only two groups, such as male versus female …   Medical dictionary

• Dummy variable (statistics) — In statistics and econometrics, particularly in regression analysis, a dummy variable (also known as an indicator variable) is one that takes the values 0 or 1 to indicate the absence or presence of some categorical effect that may be expected to …   Wikipedia

• Latent variable model — A latent variable model is a statistical model that relates a set of variables (so called manifest variables ) to set of latent variables. It is assumed that 1) the responses on the indicators or manifest variables are the result of an individual …   Wikipedia

• Point-biserial correlation coefficient — The point biserial correlation coefficient ( rpb ) is a correlation coefficient used when one variable (e.g. Y ) is dichotomous; Y can either be naturally dichotomous, like gender, or an artificially dichotomized variable. In most situations it… …   Wikipedia

• Pre-lucid dream — A pre lucid dream is one in which the dreamer considers the question, Am I asleep and dreaming? The dreamer may or may not come to the correct conclusion. Such experiences are liable to occur to people who are deliberately cultivating lucid… …   Wikipedia

• Polytomous Rasch model — The polytomous Rasch model is generalization of the dichotomous Rasch model. It is a measurement model that has potential application in any context in which the objective is to measure a trait or ability through a process in which responses to… …   Wikipedia

• Rasch model — Rasch models are used for analysing data from assessments to measure things such as abilities, attitudes, and personality traits. For example, they may be used to estimate a student s reading ability from answers to questions on a reading… …   Wikipedia

• Configural frequency analysis — (CFA) (Lienert, 1969) is a method of exploratory data analysis. The goal of a configural frequency analysis is to detect patterns in the data that occur significantly more (such patterns are called Types) or significantly less often (such… …   Wikipedia

• plant — plantable, adj. plantless, adj. plantlike, adj. /plant, plahnt/, n. 1. any member of the kingdom Plantae, comprising multicellular organisms that typically produce their own food from inorganic matter by the process of photosynthesis and that… …   Universalium

• logistic regression — (or logit regression) A form of regression analysis that is specifically tailored to the situation in which the dependent variable is dichotomous (or binary). For example, among a sample of people under investigation, a researcher might be… …   Dictionary of sociology

• logistic (or logit) regression — (or logit regression) A form of regression analysis that is specifically tailored to the situation in which the dependent variable is dichotomous (or binary). For example, among a sample of people under investigation, a researcher might be… …   Dictionary of sociology