An investigator writes that the instrument used was valid because it has a high Cronbach alpha....

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Biology

An investigator writes that the instrument used was validbecause it has a high Cronbach alpha. Is the investigatorâ€™sconclusion correct? Explain your answer.(Using
Nursing research: Reading, using, and creating evidence(4th ed.). Philadelphia: Jones & Bartlett. as a mainsource)

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yes the instrument used is valid because it has high Cronbach alpha Medical educators attempt to create reliable and valid tests and questionnaires in order to enhance the accuracy of their assessment and evaluations Validity and reliability are two fundamental elements in the evaluation of a measurement instrument Instruments can be conventional knowledge skill or attitude tests clinical simulations or survey questionnaires Instruments can measure concepts psychomotor skills or affective values Validity is concerned with the extent to which an instrument measures what it is intended to measure Reliability is concerned with the ability of an instrument to measure consistentlyIt should be noted that the reliability of an instrument is closely associated with its validity An instrument cannot be valid unless it is reliable However the reliability of an instrument does not depend on its See Answer

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