Chapter 1 Vocabulary

A treatment is imposed and a response is recorded

• experiment

• sample

• parameter

• survey

A number that describes the whole population

• blinding

• quantitative

• parameter

• statistics

An imitation of an event; a reproduction of an event that is similar to the actual event

• interval level

• simulation

• sampling error

• treatment

Observes individuals and measures variables of interest but does not attempt to influence the responses

• treatment

• placebo

• observational study

• control group

Using observations from a sample to draw conclusions about a population

• inferential statistics

• census

• inherent zero

• placebo

Error that always occurs when you take a sample from the population

• data

• population

• randomization

• sampling error

Information we gather from observations, surveys and experiments.

• parameter

• data

• control group

• treatment

A fake drug used in the testing of medication.

• treatment

• placebo

• experiment

• blinding

A science that consists of collecting, organizing, analyzing, and interpreting data.

• survey

• replication

• experimental units

• statistics

Repeating the essence of a research study, usually with different participants in different situations, to see whether the basic finding extends to other participants and circumstances.

• replication

• simulation

• experiment

• control group