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Validity and Reliability (Qualitative's Trustworthiness (7.…
Validity and Reliability
Quantitative
Validity
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Endogenous
When the subject develop or change during the experiment as part of an ongoing process independent of the experimental treatment
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Types of validity
1.Face validity
kesahan mengikut definisi yang difahamai. Contoh, melihat penimbang ianya sah untuk mengukur berat.
kesahan muka boleh mempengaruhi, orang tidak akan menjawab dengan serius.
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The effectiveness of one set of research or test result as a predictor of the outcome future experiment or test.
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Reliability as equivalence
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