Review 3

Question 1

Control?

Answer 1

. Something you keep the same
. Used to make sure the experiment is reliable

Question 2

Types of variables

Answer 2

. Extraneous variable
. Confounding variable

Question 3

Extraneous variable

Answer 3

Variable that may compete with the independent variable in explaining the outcome of the study

Question 4

Confounding variable

Answer 4

Extraneous variable associated with both variables

Question 5

Types of experimental methods

Answer 5

. Lab
. Field
. Quasi

Question 6

Lab experiment
(Strengths)

Answer 6

. Proof of cause and effect
. Often quantitative = more scientific
. Controlled conditions = high reliability

. Standardised method = high reliability

Question 7

Lab experiment
(Weaknesses)

Answer 7

. Demand characteristics = Low internal validity

. Low ecological validity

Question 8

Field experiment
(Strengths)

Answer 8

. High ecological validity
. No demand characteristics = high internal validity

Question 9

Field experiment
(Weaknesses)

Answer 9

. Low control = Low reliability
. Difficult to gain informed consent

Question 10

Quasi experiment
(Strengths)

Answer 10

. Iv naturally occurring = high internal and ecological validity

. Allow to study things that would be hard to study

. Ethical

Question 11

Quasi experiment
( Weaknesses)

Answer 11

. Hard to establish casual relationship = low reliability