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

On a questionnaire, an item like "Strongly agree, Agree, Neutral, Disagree, Strongly disagree" is called a:

  1. AOpen question
  2. BRating of reaction time
  3. CLikert scale
  4. DSemantic differential
2.Easy

Which sampling method gives every member of the population an equal chance of being selected?

  1. ASnowball sampling
  2. BRandom sampling
  3. CVolunteer sampling
  4. DOpportunity sampling
3.Easy

In a matched pairs design:

  1. AParticipants are paired on relevant characteristics and one of each pair goes into each condition
  2. BOnly twins can take part
  3. CParticipants are randomly allocated with no matching
  4. DThe same participants take part in all conditions
4.Medium

Experimenter bias is reduced most directly by:

  1. AUsing a larger sample
  2. BUsing a one-tailed hypothesis
  3. CUsing a researcher who does not know the hypothesis or conditions to collect data
  4. DUsing only volunteers
5.Medium

A test is so easy that almost all participants score near the maximum. This is called:

  1. AA practice effect
  2. BA floor effect
  3. CAn order effect
  4. DA ceiling effect
6.Medium

A study conducted only with American undergraduates may lack:

  1. APopulation validity
  2. BInternal consistency
  3. CContent validity
  4. DInter-rater reliability
7.Hard

A one-way ANOVA comparing four groups is significant. What should the researcher do next to find which groups differ?

  1. AConclude that all four groups differ from each other
  2. BRun post hoc tests such as Tukey's HSD
  3. CReport the result as a correlation
  4. DRun a chi-square test on the means
8.Hard

A researcher manipulates mood by showing a sad film, then asks participants to rate how sad they feel before the main task. Why is this rating included?

  1. AAs a manipulation check to confirm the IV worked as intended
  2. BTo debrief participants about the aims
  3. CAs the main dependent variable of the study
  4. DTo counterbalance the order of conditions

Answer key

  1. 1. C · Likert scale
  2. 2. B · Random sampling
  3. 3. A · Participants are paired on relevant characteristics and one of each pair goes into each condition
  4. 4. C · Using a researcher who does not know the hypothesis or conditions to collect data
  5. 5. D · A ceiling effect
  6. 6. A · Population validity
  7. 7. B · Run post hoc tests such as Tukey's HSD
  8. 8. A · As a manipulation check to confirm the IV worked as intended

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