Concept information
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industrial and organizational psychology
foundations: measurement theory and statistics
inferential statistics
chi-square test
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research methods and evaluation
quantitative research
quantitative data analysis
chi-square test
Preferred term
phi coefficient
Definition
- a variant of Pearson's correlation applied to two variables each of which takes one of two values which may be coded 1 or 2 (or any other pair of values for that matter). As such, its most common applications are in correlating two items on a questionnaire where the answers are coded yes or no (or as some other binary alternatives), and in circumstances in which a 2 x 2 chi-square would alternatively be employed. [Source: The SAGE Dictionary of Statistics; phi coefficient]
Broader concept
Belongs to group
URI
https://concepts.sagepub.com/social-science/concept/phi_coefficient
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