AP PSYCHOLOGY

BIOLOGICAL BASES OF BEHAVIOR

PREDICTING INDIVIDUAL DIFFERENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Psychological tests must have two characteristics and they are
A
validity and reliability.
B
correlation and validity.
C
reliability and foundation.
D
reliability and correlation.
Explanation: 

Detailed explanation-1: -Reliability refers to the consistency of a measure. Psychologists consider three types of consistency: over time (test-retest reliability), across items (internal consistency), and across different researchers (inter-rater reliability).

Detailed explanation-2: -1. Objectivity: The test should be free from subjective-judgement regarding the ability, skill, knowledge, trait or potentiality to be measured and evaluated. 2. Reliability: This refers to the extent to which they obtained results are consistent or reliable.

Detailed explanation-3: -While reliability refers to the ability to repeat a test or study and achieve nearly the same results each time, validity involves how well a research technique measures the behavior a researcher claims it does.

Detailed explanation-4: -Reliability refers to the degree to which scores from a test are stable and results are consistent. When constructs are not reliably measured the obtained scores will not approximate a true value in relation to the psychological variable being measured.

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