Take this Exam: A-Level Psychology: Research Methods — Design | Zestly

Question 1

A researcher is concerned about investigator effects in their study. Which of the following actions would be the most effective way to minimize these effects?

Accepted Answer

Using a double-blind procedure where neither the participant nor the researcher knows the study's aim.

Question 2

What is the primary purpose of operationalizing variables in psychological research?

Accepted Answer

To provide clear, measurable definitions of variables so they can be accurately tested and replicated.

Question 3

In a study using an independent groups design, why is random allocation of participants to conditions necessary?

Accepted Answer

To minimize the impact of individual differences between the groups, preventing them from becoming confounding variables.

Question 4

Which of the following statements accurately describe the differences between laboratory and field experiments? Select all that apply.

Answer

Laboratory experiments offer higher internal validity due to better control over extraneous variables.

Answer

Field experiments are always conducted in public spaces, while laboratory experiments are always in private rooms.

Answer

Field experiments generally have higher ecological validity than laboratory experiments.

Answer

Laboratory experiments are the only method that allows for the identification of cause-and-effect relationships.

Question 5

What is the primary function of counterbalancing in a repeated measures design?

Answer

To control for order effects such as practice or fatigue.

Answer

To ensure that participants are randomly assigned to different conditions.

Answer

To reduce the influence of demand characteristics by masking the study's aim.

Answer

To allow the researcher to use a larger sample size without increasing costs.