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The score that occurs most frequently in a distribution of data is the:

AMean

BMode

CMedian

DVariance

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Which measure of central tendency represents the middle score in a distribution when data points are arranged in numerical order?

AMedian

BMean

CMode

DStandard Deviation

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A correlation coefficient of $r = -0.85$ indicates a:

AWeak negative correlation

BStrong positive correlation

CNon-existent correlation

DStrong negative correlation

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A correlation coefficient ($r$) ranges in value between:

A0.00 and +1.00

B-10.00 and +10.00

C-1.00 and +1.00

D0.00 and +100.00

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A study in which neither the participants nor the researchers running the trial know who is receiving the treatment or placebo is a:

ASingle-Blind Study

BDouble-Blind Study

CCorrelational Study

DLongitudinal Study

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In an experiment, the variable that is measured to assess the effect of the manipulation is the:

ADependent Variable

BIndependent Variable

CExtraneous Variable

DPredictor Variable

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In an experimental study, the variable that is deliberately manipulated by the researcher is the:

ADependent Variable

BConfounding Variable

CControl Variable

DIndependent Variable

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The consistency or stability of a test’s scores across repeated administrations is known as its:

AValidity

BObjectivity

CReliability

DGeneralizability

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The extent to which a test measures what it claims or intends to measure is defined as its:

AReliability

BValidity

CStandardization

DNormative Accuracy

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Alfred Adler’s individual psychology emphasized that human motivation is primarily driven by the strive to overcome feelings of:

AInferiority

BGuilt

CAnxiety

DIsolation

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