Lesson 3; Nonexperimental Designs

Question 1

if demonstrate with certainty that the changes in behavior observed across treatment conditions are caused by differences in treatment.

Answer 1

Internal Validity

Question 2

is the generalizability or applicability to people and situations outside the research setting.

Answer 2

External validity

Question 3

Which two major dimensions are used to describe all approaches to research?

Answer 3

1. The degree of manipulation of antecedent condition and
2. The degree of imposition of units.