4.12 Data collection, reliability and validity Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. Which question is biased?
- A. How many hours do you revise per week?
- B. How satisfied are you with the library?
- C. Don't you think the library is far too noisy?
- D. Which year group are you in?
2. A Poisson distribution with its mean estimated from the data is fitted to 6 categories after combining. How many degrees of freedom does the goodness of fit test have?
- A. 2
- B. 3
- C. 4
- D. 5
3. The same test is given to the same group twice and the results compared. This is a test of
- A. reliability (test-retest)
- B. content validity
- C. criterion-related validity
- D. parallel forms
4. Which is a test of criterion-related validity?
- A. Giving two equivalent versions of a test
- B. Giving the same test twice
- C. Asking experts if all syllabus topics are covered
- D. Comparing test scores with an independent accepted measure
5. A test gives very consistent scores but does not measure the intended skill. It is
- A. valid but not reliable
- B. reliable but not valid
- C. both reliable and valid
- D. neither reliable nor valid