Experimental Method

Question 1

Variable

Answer 1

Characteristic that can be changed studied and measured

Question 2

Independent Variable

Answer 2

Factor that is controlled and manipulated

Question 3

Dependent Variable

Answer 3

Variable that researchers measure, what is affected

Question 4

Confounding Variables

Answer 4

Variables that were failed to control or eliminate

Question 5

Operational Definitions

Answer 5

Carefully worded instructions of the exact procedures used in a research study, important to report studies

Question 6

Population

Answer 6

Who CAN be studied

Question 7

Sample

Answer 7

Those who actually participate in the study

Question 8

Representative sample

Answer 8

A sample that has characteristics similar to those in the population

Question 9

Random Sample

Answer 9

Each member of the population has an equal chance of getting into the sample group

Question 10

Random Assignment

Answer 10

Process that assures all members have an equal chance to be in each group (control or experimental)

Question 11

Single blind

Answer 11

Groups don’t know which group is experimental

Question 12

Double blind

Answer 12

Neither observer or sample know which group is experimental or control