Validity and Reliability
Terms
undefined, object
copy deck
- If the test looks like it will measure what it's supposed to this is what type of validity?
- Face Validity
- What's the representativeness of a test in terms of validity?
- Content validity
- If a test measures what it's supposed to measure this is what type validity?
- Content validity
- Name two subjective methods for establishing test validity
- Face and content
- Name the two objective methods for establishing test validity
- Predictive and concurrent
- What's another name for objective methods?
- criterion
- If a test accurately predicts future performance what type of validity does it have?
- predictive validity
- If your performance on a test is consistent with other tests that are well established then it's has what type validity?
- concurrent
- Name two ways to establish construct validity
- Discriminant and convergent
- If your test scores correlate well with behaviors related to your study it is said to have what type validity
- Convergent validity
- If your test scores correlate with behaviors that are unrelated to your study it lacks what?
- discriminant validity
- What is a common metaphor for test reliability
- consistent or dependable
- What technique provides a measure of stability
- test-retest
- What's another term for alternate forms
- parallel forms
- What provides a measure of equivalence
- alternate forms
- What's another name for internal consistency?
- inter item
- What's the goal of experimental research
- Strong cause and effect statements
- When we establish reliability for a test what are we trying to be able to determine that there is?
- Strong positive correlation
- Reliability is the metaphor that best reflects which type of validity?
- Construct validity
- What is the most important issue surrounding research
- validity
- What is a good metaphor for validity in general?
- truthfulness (accuracy)
- List three things that affect statistical conclusion validity
- sample size, effect size, power and alpha level
- Which type of validity is concerned with whether or not there is a relationship between the DV and the IV
- internal validity
- What is the key factor influencing internal validity
- REsearch design
- A study with good control has what type validity
- internal validity
- What question best represents internal validity
- Is it true that my IV caused the change in my DV
- Which type of validity is concerned with how findings might apply elsewhere
- external validity
- Did I measure what I wanted to measure? What type of validity is reflected in the previous question
- Face validity (subjective validity)
- Define experimental realism
- How well the study replicates what occurs in the real world
- If you are certain you actually measured what you intended to measure, this is what type validity
- construct or test or instrument validity
- List two things that could affect the external validity of a study
- sampling technique and experimental realism
- List three ways to assess the reliability of test or instrument
- test-retest, alternate forms, inter-item
- What is the biggest factor affecting the reliability of a test
- number of questions, length of test
- What is the most common method of establishing the internal consistency of a test
- split-half method
- If scores on a test correlate well with the behaviors that should be related to what the test is supposed to measure, which type of validity have you established
- convergent
- List two types of criterion related validity
- predictive and concurrent
- What is the most important issue within the field of research
- validity
- In a study that has good control, what is being controlled
- confounding variable
- Correlation does not imply what
- causation
- What is a general metaphor for the 3 types of validity
- truthfulness
- LIst three things that could affect your conclusion validity
- sample size, effect size, alpha level
- If Joe's experiment captures the same elements that participants are likely to encounter in the "real world" what factor affecting validity does Joe's experiment possess
- experimental realism
- How would you describe a test that consistently gives you the same results, even though you know the results are wrong?
- reliable but not valid
- Joe scored the odd and even questions on his final exam separately to see how well they correlated. What technique was he using
- split half
- Joe scored the odd and even questions on his final exam separately to see how well they correlated. What type of reliability is he trying to establish
- inter-item or internal consistency
- What's the most common technique for establishing internal consistency?
- split half method
- If scores on the GRE correlate highly with success in graduate school, what type of validity have you established?
- predictive
- The length of a test greatly affects it's reliability. If a test is artificially shortened in an attempt to establish split half reliability, what should be done to adjust the reliability of the test?
- Spearman Brown prophecy formula
- The average recall for the 100mg group was 8.5 words. The average recall for the 0mg group was 7.9 words. Which type of validity is concerned with whether or not a difference of .6 words is large enough to be meaningful
- statistical conclusion validity
- The degree to which you are certain you actually measured what you intended to measure is what type validity
- construct validity or test validity or instrument validity
- THe degree to which you have eliminated alternative explanations is called what?
- internal validity
- This simply means that your results had a low probability of occurring simply due to chance
- statistically significant
- What is another name for random sampling
- selection
- What is the most common technique for establishing internal consistency
- split half
- What is done in order to get a representative sample
- random sampling, large sample
- The findings from Joe's study apply well to situations that Joe did not directly examine. What type of validity does Joe's study have
- External validity
- If your sample represent the population from which it was taken this is what type of validity
- sampling validity
- If your design eliminated all possible confounding variables, what validity do you have
- internal validity
- Joe's new test correlates well with an already established test. What type of validity does Joe's test have.
- Concurrent validity
- What must be done before a hypothetical construct can be studied scientifically
- operationally defined
- Joe's test always measures the same thing, just not what Joe intended. How would you describe Joe's test?
- reliable but not valid
- Joe's test accurately determines who will succeed in college while they are still in high school. What type of validity does Joe's test have
- Criterion-predictive validity
- Unwanted explanations in a study are known as what
- confounding variables
- Which type of reliability gives two similar but different tests to each person?
- alternate or parallel forms
- What provides a measure of equivalence?
- alternate or parallel forms
- A test with only one question would most likely lack what type of validity
- Subjective-CONTENT validity
- SAmple size greatly affects which type of validity(there are two)
- sampling validity or statistical conclusion
- Which type of validity is greatly affected by sampling techniques
- External validity
- Love anxiety and intelligence are examples of what
- hypothetical constructs
- What is another name for construct validity
- test or instrument validity
- What type of validity is concerned with how well the variables were operationally defined
- construct validity
- What type of validity is strongly affected by sample size, effect size and power and alpha level
- statistical conclusion validity
- What's another name for a measure of consistency in test reliability
- inter item
- What refers to the accuracy of your test?
- Test validity
- If a test consistently produces the same or similar results it is said to be
- reliable
- If your test measures what it is supposed to measure then it would be said to be what
- valid