The "20" and "21" in KR-20 and KR-21 Represent

question 173

Multiple Choice

The "20" and "21" in KR-20 and KR-21 represent

• A) numbers held constant in the denominator.
• B) numbers held constant in the numerator.
• C) the order in which the formulas were created.
• D) the age of Fred Kuder's sons when the formulas were developed.

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Definitions:

Attitude Adjustment

The process of changing one’s mindset or perspective, often to become more positive or receptive to new ideas.

Ego Integrity

A sense of wholeness and satisfaction with life's achievements, part of psychological maturity, especially in later life.

Cognitive Processes

involve the mental activities related to thinking, knowing, remembering, and communicating.

Fight-Or-Flight Response

A bodily response triggered by a real or imagined danger, assault, or threat to one's survival.