Research methods in psychology worksheet with answers

In research ethics, debriefing means:

1. ARemoving names from the data
2. BPaying participants for their time
3. CExplaining the true aims of the study to participants after they take part
4. DAsking participants for informed consent before the study begins and explaining the procedure

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

1. ANominal
2. BInterval
3. COrdinal
4. DRatio

Data that are categories with no order, such as eye colour, are at which level of measurement?

1. ARatio
2. BNominal
3. COrdinal
4. DInterval

A researcher wants to test whether there is an association between gender (male/female) and preferred film genre (four categories). Which test is appropriate?

1. AOne-way ANOVA
2. BChi-square test of independence
3. CPearson's correlation
4. DPaired t-test

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

1. AUsing a larger sample only
2. BCounterbalancing
3. CSingle-blind procedures
4. DRandom sampling

In a correlation, r = 0.40. What proportion of variance in one variable is shared with the other?

1. A4%
2. B60%
3. C16%
4. D40%

A researcher finds that ice cream sales and drowning deaths are positively correlated. Which explanation is most plausible?

1. AHot weather increases both ice cream sales and swimming
2. BThe correlation must be a calculation error
3. CDrowning increases ice cream sales
4. DIce cream causes drowning

A study finds that students who sleep more have higher grades. Which design change would best allow a causal conclusion?

1. AMeasure grades more accurately
2. BRandomly assign students to different sleep schedules
3. CAsk students to report their sleep twice and average the two reports
4. DSurvey more students