Unit 1 Vocabulary Quiz

What is the difference between a control condition and an experimental condition in an experiment?

• The control condition is the group that receives the treatment, while the experimental condition is the group that does not receive the treatment
• The control condition is the group that receives the actual treatment, while the experimental condition is the group that receives a placebo
• The control condition is the group that does not receive the treatment, while the experimental condition is the group that receives the treatment
• The control condition is the group that receives a placebo, while the experimental condition is the group that receives the actual treatment

What is the purpose of frequency distributions, histograms, and frequency polygons in data analysis?

• To manipulate data
• To determine causality
• To summarize and organize data
• To compare two or more groups

What is the difference between an experimental and a quasi-experimental design?

• Experimental designs measure a dependent variable, while quasi-experimental designs do not
• Experimental designs manipulate an independent variable, while quasi-experimental designs do not
• Experimental designs use control groups, while quasi-experimental designs do not
• Experimental designs use random assignment, while quasi-experimental designs do not

What is correlation?

• A measure of the strength of a relationship between two variables
• A measure of the effect of an independent variable on a dependent variable
• A measure of the difference between two groups
• A measure of the variability within a group

What is empiricism?

• The use of expert opinions to gather evidence
• The use of observation within a scientific method to gather evidence

• The use of intuition to gather evidence
• The use of personal experience to gather evidence

What is an extraneous variable?

• A variable that may influence the relationship between the independent and dependent variables
• A variable that is not relevant to the research question
• A variable that is measured by the researcher
• A variable that is manipulated by the researcher

What is the purpose of a case study?

• To compare two or more groups
• To provide an in-depth analysis of a specific individual or group
• To identify cause-and-effect relationships
• To generalize findings to a larger population

What is anecdotal evidence?

• Evidence based on personal experience
• Evidence based on large-scale studies
• Evidence based on expert opinions
• Evidence based on laboratory experiments

What is an independent variable?

• A variable that may influence the relationship between the independent and dependent variables
• A variable that is measured by the researcher
• A variable that is manipulated by the researcher
• A variable that is not relevant to the research question

What is a hypothesis?

• A subjective opinion
• A general principle
• A proven fact
• A tentative explanation for a phenomenon