A Validity Coefficient Is

question 32

Multiple Choice

A validity coefficient is

• A)the correlation between a test and the validity criterion.
• B)the squared correlation between the test and the validity criterion.
• C)the square root of the correlation between the test and the validity criterion.
• D)one minus the correlation between a test and the validity criterion.

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Definitions:

Random Assignment

A method used in experiments to assign participants to different groups using randomization, ensuring that each participant has an equal chance of being placed in any group.

Blocking

A technique used in experimental design to group experimental units with similar characteristics together, in order to reduce the variability caused by these characteristics.

Random Assignment

The process of allocating subjects or experimental units to different groups in an experiment using random methods, to ensure that each group is similar at the start.

Double Blind

A study or experiment design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.