Research Methods

What are the major features of Science?

What is peer review?

Benefits of Peer review

Flaws of Peer review

3 Different Experiment types?

3 Experiment Designs?

Random Sampling?

Opportunity Sampling?

Volunteer Sampling?

What is Reliability?

Assessing Reliability
- Observation

Improving Reliability
- Observation

Assessing Reliability
- Questionnaire

EXTERNAL - Test Re-test
INTERNAL - Inter-rater Reliability

(looking for strong +ve correlation)

What is Validity?

Issues of Validity
- Observation

- Experimenter Bias :

Issues of Validity
- Experiment

INTERNAL - Extraneous Variables
EXTRERNAL - 1. Ecological Validity
2. Population Validity

Issues of Validity
- Questionnaire

-Face validity : does the measuring tool measure what its supposed to?
-Concurrent validity : new test scores are compared to established pre-existing test scores.

Ethical Considerations

Central Tendencies
- Mean

Central Tendencies
- Mode

Central Tendencies
- Median

What is a Type 1 error?

What is a Type 2 error?

What is CONTENT ANALYSIS?

Significance

Types of Data

Which Statistical Test ?