Quasi-experimental And Non-experimental Deisgn

Question 1

True (randomized) experiments

Answer 1

• laboratory in psych research
• controlled environment

Question 2

Field experiment

Answer 2

Field study/exper.: conducted outside lab
Naturalistic design: capture natural behavior
Less artificial research situation than a lab

Question 3

Quasi Experiment

Answer 3

More or less controlled research
Lacks essential features of true experiment: no randomness, no control over independent variable manipulation

Question 4

Limitations of quasi experiments

Answer 4

• not possible to randomly allocate participants to conditions of experiment

Question 5

Non experimental designs

Answer 5

Correlational study, observational study, group difference study? Descriptive study

Question 6

Main types of observation

Answer 6

Participant vs non participant observ.
Non participant observ.
Participant observ.

Question 7

Structured observation

Answer 7

• behavior into categories to be recorded

Question 8

Controlled vs naturalistic observation

Answer 8

• controlled observation (in lab but participants don’t need to know it’s a lab) -> highly artificial
• Naturalistic observation is in their own environment

Question 9

Limitations of observation

Answer 9

• bias
  halo effect
  Reverse halo effect

Question 10

Participant observation

Answer 10

Observer plays the role of a participant (very authentic)
- full participant
- participant as observer
- observer as participant

Question 11

Non experimental design types

Answer 11

• cross sectional study
• longitudinal study

Question 12

Cross sectional studies

Answer 12

• originally used to see group differences

Group a - c are studied at the same time same variable

Question 13

Longitudinal studies

Answer 13

• repeated measurements
• string evidence for causality