The Point-Biserial Correlation Between the Item Score and the Score

question 44

Multiple Choice

The point-biserial correlation between the item score and the score on the criterion variable is needed to compute the

• A) item-difficulty index
• B) item-reliability index
• C) item-validity index
• D) index of item discrimination

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Definitions:

Monogamous

A mating system where an individual has only one partner during their lifetime or during a breeding season.

Polygamous

Pertaining to a breeding strategy or societal structure where an individual has more than one mate or spouse simultaneously.

Sexual Reproduction

A mode of reproduction involving the combination of genetic material from two parents to produce genetically diverse offspring.

Mechanisms Of Sexual Selection

The processes by which certain traits become more attractive to the opposite sex, influencing mating success and evolution of species.