Understanding Research Design Concepts

Front

What is the placebo effect?

Back

An observed effect on behavior caused by a placebo.

Front

What is confirmation bias?

Back

The tendency to find information that supports our preexisting beliefs.

Front

In a correlation study, what does a positive correlation indicate?

Back

Both variables increase or decrease together.

Front

What does a negative skew in data distribution indicate?

Back

The mean is to the left of the mode.

Front

What is statistical significance in inferential statistics?

Back

Results are not due to chance.

Front

What is an independent variable?

Back

The variable that is manipulated or changed in an experiment.

Front

What is a dependent variable?

Back

The variable that is measured or observed in an experiment.

Front

What is a control group?

Back

A group that does not receive the experimental treatment and is used for comparison.

Front

What is random sampling?

Back

A method of selecting participants in which each individual has an equal chance of being chosen.

Front

What is a hypothesis?

Back

A testable prediction about the relationship between two or more variables.