Research methods in psychology worksheet with answers

Free printable Research methods in psychology worksheet: 8 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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Name: ____________________   Date: ____________

1.Easy

In research ethics, debriefing means:

  1. AExplaining the true aims of the study to participants after they take part
  2. BAsking participants for informed consent before the study begins and explaining the procedure
  3. CPaying participants for their time
  4. DRemoving names from the data
2.Easy

In an experiment, the variable the researcher deliberately changes is the:

  1. AConfounding variable
  2. BIndependent variable
  3. CDependent variable
  4. DExtraneous variable
3.Easy

In an experiment, the variable that is measured to see whether it is affected by the manipulation is the:

  1. AIndependent variable
  2. BControl variable
  3. CDependent variable
  4. DExtraneous variable
4.Medium

A researcher sends a questionnaire to all students and then asks respondents to recruit friends who also use a rare sleep app. Which sampling method is used for the second step?

  1. ASnowball sampling
  2. BStratified sampling
  3. CSystematic sampling
  4. DRandom sampling
5.Medium

In a field experiment, the researcher:

  1. AManipulates the IV in a real-world setting
  2. BAnalyses data collected by others
  3. COnly observes without manipulating anything
  4. DManipulates the IV in a laboratory
6.Medium

Internal validity refers to:

  1. AWhether the observed effect was really caused by the IV rather than other factors
  2. BWhether participants found the study interesting
  3. CWhether a test gives the same results over time
  4. DWhether the findings generalise beyond the study to other populations, settings and times
7.Hard

A test of "intelligence" measures mainly how fast people can type. Which type of validity is most clearly lacking?

  1. AInter-rater reliability
  2. BTest-retest reliability
  3. CInternal consistency
  4. DConstruct validity
8.Hard

A meta-analysis combines 40 studies of a therapy. Why might its overall effect size still be too large?

  1. AMeta-analyses always give smaller effects than the single studies they include
  2. BCombining studies always removes all bias
  3. CPublication bias means unpublished null studies may be missing
  4. DMeta-analyses cannot include randomised trials

Answer key

  1. 1. A · Explaining the true aims of the study to participants after they take part
  2. 2. B · Independent variable
  3. 3. C · Dependent variable
  4. 4. A · Snowball sampling
  5. 5. A · Manipulates the IV in a real-world setting
  6. 6. A · Whether the observed effect was really caused by the IV rather than other factors
  7. 7. D · Construct validity
  8. 8. C · Publication bias means unpublished null studies may be missing

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