What Is Research

Question 1

Sample

Answer 1

The small group of participants, out of the total number available, that a researcher studies.

Question 2

Naturalist observation

Answer 2

Research method on which the psychologist observes the subject in a natural setting without interfering.

Question 3

Case study

Answer 3

Research method that involves an intensive investigation of one or more participants.

Question 4

Survey

Answer 4

Research method in which information is obtained by asking many individuals a fixed set of questions.

Question 5

Longitudinal study

Answer 5

Research method in which data are collected about a group of participants over a number of years to asses how certain characteristics change or remain the same during development.

Question 6

Cross-sectional study

Answer 6

Research method in which data are collected from groups of participants of different ages and compared so that conclusion can be drawn about differences due to age.

Question 7

Correlation

Answer 7

The measure of a relationship between two variables or sets of data.

Question 8

Hypothesis

Answer 8

An educated guess about the relationship between two variables.

Question 9

Variable

Answer 9

Any factor that is capable of change.

Question 10

Experimental group

Answer 10

The group to which an independent variable is applied.

Question 11

Control group

Answer 11

The group that is treated in the same way as the experimental group except that the experimental treatment (the independent variable) is not applied.