Psychology 101: Week 1 and 2 Quiz

What is an experiment?

• research design that uses random assignment and manipulates variables

• research design that examines relationships but cannot establish causation

• research design that uses self-report

• research design involving a small number of people.

What are variables?

• Variables are not part of an experiment.

• Methods for organizing files
• Variables are anything that varies

• Tools for measuring weight

What is an independent variable?

• A variable that is manipulated in an experiment

• A variable that is only used in observational studies
• Anything that varies

• None of the above

What is a dependent variable?

• The variable that is measured in an experiment.

• The variable that is not important in a scientific experiment.
• The variable that is manipulated in a scientific experiment.
• None of the above.

A research design in which participants in the control group are compared to the participants in the experimental is called...

• Between-subject design
• Cross-sectional design
• Longitudinal design
• Within-subject design

A research design in which each participant acts as their own control is called...

• Between-subject design
• Cross-sectional design
• Longitudinal design
• Within-subject design

What is reliability?

• the extent to which a measure measures what it is supposed to.

• The ability for researchers to reproduce past researchers results.

• the consistency of a measure.

• flexibility and adaptability of something

What is validity?

• the extent to which a measure measures what it is supposed to.

• The state of being correct
• the consistency of a measure

• The extent to which a concept is vague

What is internal validity?

• Whether anything changes in a study.

• The location where the study took place
• extent to which we can draw cause-and-effect inferences from a study

• None of the above

What is external validity?

• the generalizability of research findings to real world settings.

• The accuracy of the data collected in a study
• The process of conducting research in a controlled environment
• None of the above