The consistency of a measure-that is, the degree to which a study is free of random error, obtaining the same results across time with the same population.

PSYCHOLOGY RESEARCH AND ETHICS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	Reliability
B	Ecological validity
C	External validity
D	Internal validity

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: -Reliability and validity are both about how well a method measures something: Reliability refers to the consistency of a measure (whether the results can be reproduced under the same conditions). Validity refers to the accuracy of a measure (whether the results really do represent what they are supposed to measure).

Detailed explanation-3: -Reliability is the degree to which an assessment tool produces stable and consistent results. Test-retest reliability is a measure of reliability obtained by administering the same test twice over a period of time to a group of individuals.

Detailed explanation-4: -Reliability refers to the consistency of a measure.

There is 1 question to complete.

AP PSYCHOLOGY

RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

PSYCHOLOGY RESEARCH AND ETHICS