Research methods in psychology worksheet with answers

A variable other than the IV that changes systematically with the IV and could explain the result is called a:

1. ADemand characteristic
2. BDependent variable
3. CConfounding variable
4. DControl variable

Reliability refers to:

1. AWhether a measure tests what it claims to
2. BWhether participants gave consent
3. CThe consistency of a measure
4. DWhether results apply to other settings

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

1. ADependent variable
2. BIndependent variable
3. CExtraneous variable
4. DConfounding variable

In observational research, event sampling means:

1. ARecording behaviour only at fixed time intervals
2. BRecording every time a specified behaviour occurs
3. CRecording only events the participants report
4. DChoosing participants at random

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

1. A2.0
2. B0.5
3. C1.5
4. D3.0

Which design uses different participants in each condition?

1. AWithin-subjects design
2. BIndependent groups design
3. CRepeated measures design
4. DMatched pairs design with the same people

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

1. AWilcoxon signed-rank test
2. BIndependent t-test
3. CMann–Whitney U test
4. DChi-square test of independence

A researcher runs 20 analyses on a data set and reports only the one with p < 0.05. This practice is called:

1. ACounterbalancing
2. BTriangulation
3. CPreregistration
4. DP-hacking