Psychology Degree Psychology Degree Research Methods and Ethics Questions and Answers 2

Question 1

Which type of research design allows a researcher to establish cause-and-effect relationships between variables?

Accepted Answer

Experimental design

Answer

Experimental designs use random assignment and manipulation of independent variables, which are required to establish causation.

Question 2

What is the primary purpose of a debriefing session in psychological research?

Accepted Answer

To inform participants about the true nature and purpose of the study

Answer

Debriefing occurs after participation and involves explaining the study's actual purpose, especially if any deception was used.

Question 3

A researcher finds a correlation coefficient of -0.85 between stress levels and sleep quality. What does this indicate?

Accepted Answer

A strong negative relationship

Answer

A correlation of -0.85 indicates a strong inverse relationship, meaning as stress increases, sleep quality tends to decrease.

Question 4

Which ethical principle requires researchers to ensure that participants can withdraw from a study at any time without penalty?

Accepted Answer

Voluntary participation

Answer

Voluntary participation means subjects freely choose to participate and can leave the study at any point without negative consequences.

Question 5

What is the main advantage of using a double-blind procedure in an experiment?

Accepted Answer

It reduces both experimenter bias and participant expectancy effects

Answer

In a double-blind procedure, neither the researcher nor the participant knows group assignment, minimizing bias from both parties.

Psychology Degree Practice Test