![]() ![]() Scores from the instrument in question should be correlated with an item they are known to predict. Statistical analyses, such as correlations, are used to determine if criterion-related validity exists. What makes an instrument valid and reliable? The weight it reads will be reliable(the same every time you step on it) but will not be valid, since it is notreading your actual weight. Suppose your bathroomscale was reset to read 10 pound lighter. 5 Is there a relationship between validity and reliability?Ĭan a measure be reliable but not valid example?Ī measurement maybe valid but not reliable, or reliable but not valid.4 Is the reliability of an instrument a valid question?.3 How can you increase the reliability of an instrument?. ![]() 2 What does it mean by a valid instrument is always reliable but a reliable instrument may not always be valid?.1 Can a measure be reliable but not valid example?. ![]()
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