Research methods in psychology worksheet with answers

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. CHaving two observers code the same behaviour
4. DGiving the same test to the same people on two occasions and correlating the scores

The mode of a data set is:

1. AThe middle value when scores are ordered
2. BThe difference between highest and lowest values
3. CThe arithmetic average of all values
4. DThe most frequently occurring value

Ranking runners as first, second and third produces which level of data?

1. AOrdinal
2. BNominal
3. CRatio
4. DInterval

A student scores 130 on a test with mean 100 and standard deviation 15. What is the z-score?

1. A3.0
2. B2.0
3. C0.5
4. D1.5

Which statistic is appropriate for the relationship between two sets of ranks, such as judges' rankings of paintings?

1. ASpearman's rho
2. BIndependent t-test
3. CChi-square
4. DPearson's r

In a repeated measures design, order effects can be controlled by:

1. ACounterbalancing
2. BSingle-blind procedures
3. CRandom sampling
4. DUsing a larger sample only

A researcher uses a questionnaire, interviews and observation to study workplace stress, and the findings agree. What is this approach called?

1. AReplication
2. BCounterbalancing
3. CStratification
4. DTriangulation

A researcher conducts five t-tests and wants to keep the overall Type I error rate at 0.05 using the Bonferroni correction. What significance level should each test use?

1. A0.05
2. B0.025
3. C0.25
4. D0.01