Reliability and Validity
Psychology ⇒ Research Methods in Psychology
Reliability and Validity starts at 11 and continues till grade 12.
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See sample questions for grade 11
A researcher develops two versions of a memory test and administers both to the same group. What type of reliability is being assessed?
A researcher finds that a new anxiety scale correlates highly with an established anxiety scale. What type of validity is this evidence for?
A researcher finds that their test scores are highly consistent over time. What type of reliability does this demonstrate?
A researcher wants to know if a test measures the full range of the concept of intelligence. Which type of validity should they assess?
A teacher grades the same essay twice and gives very different scores each time. What does this indicate about the reliability of the grading?
A test consistently produces the same results, but does not measure what it is supposed to. What does this say about its reliability and validity?
A test designed to measure intelligence is found to predict academic performance accurately. What type of validity does this demonstrate?
Describe a situation where a test could be reliable but not valid.
Describe how using multiple raters can improve the reliability of observational research.
Describe the relationship between reliability and validity.
Describe what is meant by content validity.
Explain the difference between internal and external validity.
Explain the importance of using standardized procedures in increasing reliability.
Explain why a measure that is not reliable cannot be valid.
Explain why external validity is important in psychological research.
What is reliability in the context of psychological research?
