Research Methods: Aims, Hypotheses and Variables

Question 1

Independent Variable

Answer 1

Variable researcher manipulates so that there will be a change in the DV

Question 2

Dependent Variable

Answer 2

Variable researcher studies within the experiment

Question 3

Define Operationalising.

Answer 3

How you’ll define and measure a specific variable as it is used in your study.

Question 4

Experimental Hypothesis

Answer 4

States there will be a change

Question 5

Null Hypothesis

Answer 5

States there will not be a change

Question 6

Directional Hypothesis

Answer 6

predicts the direction of the results
- “w will increase x”
- “y will decrease z”

Question 7

Non-Directional Hypothesis

Answer 7

cannot determine which direction the results will go
- “x influences y”

Question 8

Extraneous Variable

Question 9

Confounding Variable

Question 10

Independent Group

Question 11

Independent Group Strengths

Question 12

Independent Group Weaknesses

Question 13

Repeated Measures

Question 14

Repeated Measures Strengths

Question 15

Repeated Measures Weaknesses

Question 16

Matched Pairs

Question 17

Matched Pairs Strengths

Question 18

Matched Pairs Weaknesses

Question 19

Demand Characteristics

Question 20

Order Effects

Question 21

Participant Variables

Question 22

Counter Balancing