Which of the Following Five Quantities Is NOT an Expression

question 53

Multiple Choice

Which of the following five quantities is NOT an expression for energy? Here m is a mass, g is the acceleration due to gravity, h and d are distances, F is a force, v is a speed, a is an acceleration, P is power, and t is time.

• A)mgh
• B)Fd
• C)1/2mv²
• D)ma
• E)Pt

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Definitions:

Reactivity

The phenomenon wherein subjects alter their performance or behavior due to the awareness that they are being observed.

Convergent Validity

Convergent validity is the extent to which two measures of constructs that theoretically should be related, are in fact related.

Cronbach's Alpha

A measure of internal consistency that assesses how closely related a set of items are as a group, often used in survey research.

Internal Consistency

A measure of the reliability of a psychological test that assesses the extent to which different test items that propose to measure the same general construct produce similar results.