Chapter 2

Question 1

In an experiment, where the active ingredient is present (i.e intoxication) is called the

Answer 1

experimental group

Question 2

The condition is absent in this group

Answer 2

control group

Question 3

Participants in this condition believe they are receiving treatment

Answer 3

placebo condition

Question 4

occurs whenever a correlation observed between two variables is actually explained by the influence of some third variable.

Answer 4

third-variable problem

Question 5

When a sample in a study can generalize to the population of interest, the study is said to have

Answer 5

external validity

Question 6

If a study can be verified that the study was well-designed, we can conclude that it did rule out alternative explanations and therefore has good

Answer 6

internal validity

Question 7

when experimental groups accidentally differ on more than just the independent variable, the experiment is said to have a

Answer 7

confound