Research methods in psychology worksheet with answers

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

1. ADebriefing
2. BDeception
3. CConfidentiality
4. DInformed consent

Selecting every 10th name from a list of the population is an example of:

1. ASnowball sampling
2. BSystematic sampling
3. CStratified sampling
4. DOpportunity sampling

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

1. ARandom sampling
2. BOpportunity sampling
3. CSnowball sampling
4. DVolunteer sampling

Ecological validity refers to:

1. AHow well findings generalise to real-life settings
2. BHow consistent a test is over time
3. CWhether the test looks like it measures the right thing
4. DWhether a test predicts future behaviour

A study conducted only with American undergraduates may lack:

1. AInternal consistency
2. BInter-rater reliability
3. CPopulation validity
4. DContent validity

Why are behaviour categories in an observation operationalised before data collection?

1. ASo the observation becomes an experiment
2. BSo participants know exactly what is being recorded
3. CSo observers record the same behaviours consistently, improving reliability
4. DSo the hypothesis can be changed after the data are seen

A psychology department recruits participants only from introductory psychology courses. Critics say samples are "WEIRD". What does this refer to?

1. AWestern, Educated, Industrialised, Rich and Democratic samples that may not generalise
2. BSamples recruited using weighted random methods
3. CSamples that are unusually strange in their behaviour
4. DSamples that withdraw early from studies

Which non-parametric test compares two related samples, such as before-and-after scores on an ordinal scale?

1. AChi-square test of independence
2. BMann–Whitney U test
3. CIndependent t-test
4. DWilcoxon signed-rank test