Types of experiment

Question 1

Lab experiment

Answer 1

Done under extremely high controls, in a scientific way

Question 2

Field

Answer 2

Field experiments are experiments carried out outside of laboratory settings. They randomly assign subjects (or other sampling units) to either treatment or control groups in order to test claims of causal relationships.

Question 3

Natural

Answer 3

When the IV occurs naturally e.g. the effects of institutionalisation

Question 4

Quasi

Answer 4

when the IV can’t be manipulated

Question 5

Lab strengths

Answer 5

1. Only IV changes
2. Well controlled
3. Easy replicated
4. Can identify cause and effect

Question 6

Lab weaknesses

Answer 6

1. Lack external validity
2. Low ecological validity
3. Demand characteristics

Question 7

Field strengths

Answer 7

1. High mundane realism

2. Not aware of study

Question 8

Field weaknesses

Answer 8

1. Less Control
2. Time and money
3. Could be extraneous variables

Question 9

Natural strengths

Answer 9

1. Studies real life
2. Allows naturally
3. High external validity

Question 10

Natural weaknesses

Answer 10

1. Random allocation not possible

2. Demand characteristics

Question 11

Quasi strengths

Answer 11

1. Allows comparison

2. Already exists

Question 12

Quasi weaknesses

Answer 12

1. confounding variables