Examlex
Crystallized intelligence is measured by tests of vocabulary,arithmetic,and general information.
Total Frequency
The sum of all frequencies in a data set, representing the total number of times a data point or category occurs.
Stem-and-Leaf Displays
A method of displaying quantitative data where each number is split into a "stem" (the leading digit(s)) and a "leaf" (the last digit).
Crosstabulation
A method used in quantitative research to summarize categorical data by creating a matrix that displays the frequency distribution of variables to identify relationships between them.
Hidden Variables
Variables that are not directly observed but are relevant or influence the outcome of a process or model.
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