Charles Edward Spearman
Overview page. Subjects: Probability and Statistics.
(1863–1945; b. London, England; d. London, England)
English psychologist who introduced the use of statistical methods into psychology. Spearman's initial choice of career was the...
confusion matrix
Overview page. Subjects: Psychology.
A matrix representing the relative frequencies with which each of a number of stimuli is mistaken for each of the others by a person in a task requiring recognition or identification of...
crystallized intelligence
Overview page. Subjects: Psychology.
A fundamental factor (2) of human intelligence, derived from factor analysis, corresponding roughly to verbal intelligence, consisting of the knowledge and expertise accumulated over a...
eigenvalue
Overview page. Subjects: Chemistry — Biological Sciences.
The components (latent roots) derived from the data which represent that variation in the original data accounted for by each new component or axis.
http://mathworld.wolfram.com/Ei...
factorial validity
Overview page. Subjects: Psychology.
The validity of a test determined by its correlation with a factor (2) determined by factor analysis. The idea behind this form of validity was introduced by the English statistician and...
fluid intelligence
Overview page. Subjects: Psychology.
A fundamental factor (2) of human intelligence, derived from factor analysis, corresponding roughly to non-verbal reasoning, requiring rapid understanding of novel relationships, measured...
group factor
Overview page. Subjects: Psychology.
In factor analysis, a factor (2) that accounts for the intercorrelations between a subset of the variables but not all of them.
interaction effect
Overview page. Subjects: Psychology.
In statistics, a pattern of data obtained from multifactorial analysis of variance (ANOVA) or log-linear analysis in which the effect of an independent variable or factor (1) varies across...
Louis Leon Thurstone
Overview page. Subjects: Probability and Statistics — Psychology.
(1887–1955; b. Chicago, IL; d. Chapel Hill, TN)
American psychometrician. Thurstone graduated from Cornell U with a BS in electrical engineering in 1912. This led to employment...
16PF
Overview page. Subjects: Psychology.
The Sixteen Personality Factor Questionnaire, a popular personality scale that consists of 185 questions, such as ‘I get frustrated when people take too long to explain something’, each...