Psychology Research Methods Quiz

A researcher comparing math quiz scores among students before and after a review session are using a(n) ______.

• Pretest-posttest nonequivalent control group design

• Pretest-posttest design

• Posttest-only nonequivalent control group design

• Differential research design

A researcher finds a correlation of -0.4 between daily water intake and test scores. What does this correlation indicate?

• As daily water intake increases, test scores decrease

• As daily water intake decreases, test scores increase

• There is no relationship between daily water intake and test scores

• There is a high correlation between daily water intake and test scores

A(n) ______ is a brief summary of a psychology article.

• Abstract

• running head

• keyword summary

• Introduction

In a scatter plot, each ______.

• group mean is represented by a single point

• individual is represented by two data points

• group mean is represented by two data points

• individual is represented by a single point

What is the goal of the experimental research strategy?

• To observe and describe phenomena in natural settings

• To establish cause-and-effect relationships between two variables

• To gather data through surveys or interviews

• To analyze existing data sets for patterns and correlations

What are the 4 basic elements of an experimental design?

• Control group, independent variable, dependent variable, and random assignment

• Hypothesis, observation, analysis, conclusion

• Manipulation, measurement, comparison, control

• Correlation, causation, prediction, validation

What is the goal of a between-subject research study?

• maximize differences between levels of the independent variable

• minimize differences between levels of the independent variable

• maximize differences within levels of the independent variable

• levels of the independent variable stay the same

What can we understand about the role of gender on being hired for a job?

• male and female applicants have the same chances of being hired

• female applicants are more likely to be hired over identical male applicants

• we cannot determine the role of gender on probability of being hired from this table

• female applicants are less likely to be hired over identical male applicants

What is a possible disadvantage of within-subject experiments?

• Eliminates concern over individual differences

• Requires relatively few participants since they can participate in each level

• Participant attrition

• Increased variability in data

Which of the following is a way to deal with confounds?

• Control time

• Control environment

• Counterbalancing

• All of the above