objectivity, reliablility and validity Flashcards

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1
Q

what is objectivity

A

need to be impartial and judgement free
important that DV measured objectively
adds reliability and validity

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2
Q

what is reliability

A

consistency of findings
important for being scientific
test-retesr reliability is repeating an investigation to see if the same findings will happen again and again

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3
Q

what is validity

A

whether the study is measuring the behaviours or constructs it intends to

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4
Q

what is internal validity

A

how well the procedure of a study establishes a causal relationship between manipulated IV and measured DV
standardised procedures, no order effects, no individual differences, no demand charcteristics

construct validity
predictive validity

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5
Q

what is external validity

A

how well findings can be generalised beyond study

ecological
population

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