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Erstellt von Simply Conss XO
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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 ?