5/20/2023 0 Comments Reliability research methodsImproving validity - qualitative methods Better depth and detail than quantitative methods. Also, should have clear behavioural categories. Anonymity is assured Improving validity - observations Covert observations are more valid as behaviour is more natural. single/double blind procedures - reduces demand characteristics Improving validity - questionnaires May incorporate a lie scale which assesses the consistency of the responses and controls for social desirability bias. standardised procedures - minimises impact of participant reactivity and investigator effects Improving validity - experimental research - using a control group - assesses whether changes in the dependent variable were due to the independent variable Assessing validity Face validity - this is about whether a test appears to measure what it is supposed to measure.Ĭoncurrent validity - this is demonstrated when results from a test are very close to results from a well-established and recognised test.
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