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RES04_Res Pro CO1_#1

📚📗RESEARCH PROJECT CO1 _ Validity & Reliability_ #1

QuestionAnswer
What is validity in a research instrument? The ability of an instrument to measure what it is intended to measure.
What is reliability in a research instrument? The ability of an instrument to produce consistent results when measured repeatedly.
What does Face Validity assess? A surface-level judgment of whether the instrument appears appropriate.
What does Content Validity evaluate? How well the items in the instrument match the objectives of the study.
What is Criterion Validity? The degree to which a measure correlates with an outcome or external criterion.
What is Construct Validity? How well a test measures the theoretical construct it claims to measure.
What is the purpose of Test–Retest Reliability? To check consistency by administering the same instrument to the same sample at different times.
What does Split-Half Reliability measure? Consistency between two halves of the same instrument.
What is Inter-Rater Reliability? The level of agreement between different raters or interviewers.
What does Internal Consistency measure? How consistently all items in an instrument measure the same construct.
What statistic is commonly used to measure Internal Consistency? Cronbach’s Alpha.
What indicates a reliable experimental instrument? Precise results across repeated trials under the same conditions.
What is an example of a valid experimental instrument for measuring temperature? A thermometer.
Why are multiple trials important in experimental research? They help determine the precision and reliability of measurements.
What is the minimum number of trials commonly used in experimental research? At least three trials.
Why is validity important in research instruments? It ensures the instrument measures the intended variable accurately.
Why is reliability important in research instruments? It ensures results are stable and repeatable.
How does a valid and reliable instrument affect research results? It increases consistency, usefulness, and clarity of findings.
What happens after validity and reliability testing? The instrument can be distributed (survey) or used (experiment) to gather data.
How does following past studies help in experimental research? It ensures procedures and conditions are appropriate and aligned with research objectives.
 

 



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