Unit 2

Question 0

Hypothesis

Answer 0

A specific statement that predicts the answer to a research question

Question 1

Theory

Answer 1

A scientific principle that explains many observations

Question 2

Variable

Answer 2

A factor that can vary among people taking part in a study

Question 3

Subject

Answer 3

A person taking part in a study

Question 4

Independent variable

Answer 4

A factor of interest to the researcher

Question 5

Dependent variable

Answer 5

A factor that the hypothesis predicts

Is affected by the independent variable

Question 6

A single blind experiment

Answer 6

An experiment in which only the researcher is aware of which subjects are in the experimental and control groups

Question 7

Bias

Answer 7

A systematic error in data

Question 8

A double-blind experiment

Answer 8

An experiment in which neither the researcher nor the subjects are where of which subjects are in the experimental and control groups

Question 9

Naturalistic study

Answer 9

Useful for learning how people act in the real world

Question 10

Survey

Answer 10

A study in which people in the sample are all asked the same questions about a topic

Question 11

Sample

Answer 11

A group of people chosen from a population

Question 12

Interview

Answer 12

Question-and-answer session

Question 13

Correlation

Answer 13

A relationship between variables that change together in a consistent way

Question 14

Case study

Answer 14

A study of a single person

Can be used to learn very detailed information about an individual

Question 15

Hypothesis testing

Answer 15

Evaluation of a study’s hypothesis using the data from that study

Question 16

The Milgram experiment

Answer 16

A psychological study of obedience that was done in the early 1960s

Question 17

Informed consent

Answer 17

Subjects must be fully informed about a study before they agreed to participate in it