Chapter 6 Experimental Design Basic Vocabulary

What do you call the people, animals, or objects experimented on?

• Response Variables

• Factors

• Blinded

• Experimental Units

A sugar pill or fake treatment is also called . . .

• the placebo effect

• confounding

• a placebo

• a lurking variables

True or False? An experiment can be used to determine a cause and effect relationship.

• True

• False

What assigns a treatment to individuals to influence their responses?

• Observational Study

• Census

• Survey

• Experiment

The explanatory variable . . .

• measures the outcome of the study

• influences changes in the responses

• is not of interest but is thought to affect the response

• is not part of an experiment

Another name for an explanatory variable is

• Factor

• Confounding Variable

• Lurking Variable

• Extraneous Factor

Receives no treatment, a placebo, or current treatment

• Control Group

• Treatment Group

• Experiment

• Blinding

If the subject does not know which treatment they received, the study is

• Observational

• Experimental

• Single Blind

• Double Blind

The placebo effect is . . .

• a sugar high

• when a person lies

• a favorable outcome to a fake treatment

• when we are confused about which factor caused the response

Another name for a lurking variable is . . .

• Confounded Variable

• Extraneous Factor

• Explanatory Variable

• Response Variable