_______________ Refers to the Assigning of Test Units to Treatment

question 11

Multiple Choice

_______________ refers to the assigning of test units to treatment groups in such as way that the groups differ on the dependent variable before the presentation of the treatments.

• A) The main testing effect
• B) Test unit mortality
• C) Selection bias
• D) The instrumentation effect

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Definitions:

Evaluate

To compute the value of a particular expression.

Irrational

A type of number that cannot be expressed as a simple fraction, including numbers like \(\pi\) and \(\sqrt{2}\).

Rational

Pertaining to a number or expression that can be expressed as the quotient or ratio of two integers.

Square Root

The number that produces a specified quantity when multiplied by itself (e.g., the square root of 9 is 3).