Research methods in psychology worksheet with answers

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

1. AIndependent variable
2. BDependent variable
3. CControl variable
4. DExtraneous variable

Keeping participants' personal information private and not identifying them in reports is called:

1. ADebriefing
2. BInformed consent
3. CDeception
4. DConfidentiality

Test-retest reliability is assessed by:

1. AComparing a new test with an established one
2. BChecking whether the items appear, on the surface, to measure what the test claims to
3. CGiving the same test to the same people on two occasions and correlating the scores
4. DHaving two observers code the same behaviour

A new depression questionnaire predicts which students will seek treatment over the next year. This supports which type of validity?

1. AContent validity
2. BPredictive validity
3. CFace validity
4. DConcurrent validity

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

1. AAn order effect
2. BA practice effect
3. CA floor effect
4. DA ceiling effect

Operationalisation means:

1. ACarrying out the research in a real operational setting, such as a hospital
2. BChoosing a statistical test
3. CGiving participants instructions
4. DDefining variables in a precise, measurable way

A study reports t(28) = 2.50, p = .018 for two independent groups of equal size. How many participants took part?

1. A30
2. B56
3. C29
4. D28

In Milgram's obedience studies, participants believed they were giving real electric shocks. Which ethical issue is most directly raised, and how was it partly addressed?

1. ALack of confidentiality, addressed by publishing names
2. BUse of children, addressed by parental consent
3. CLack of a control group, addressed by randomly allocating participants to conditions
4. DDeception and potential distress, addressed by a thorough debriefing