research methods
- Created by: taneshakatrese
- Created on: 01-04-14 09:06
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- research methods
- independent variable(IV)
- directly manipulated in order to observe its effects on DV
- Dependent variable(DV)
- depends some way on the IV
- extraneous variable(EV)
- variable potentially affect the DV confound the findings
- aims/ hypothese
- AIM:researcher intends to investigate
- HYPOTHESIS: precise/ testable statement expected relationship between variables
- directional: states direction of predicted difference, two conditions/groups
- non-directional: predicting there will be a difference, without stating direction
- questionnaires/ interviews
- closed questions: produce quantitative date...forced to select answers don't represent real thoughts
- open questions: provide their own answers
- provide unexpected answers,rich detail, researchers gain new insights
- difficult to summarise; wide variety of responses...difficult to draw conclusions
- pilot study: tested on small group, refine questions
- Structured interview: questions are decided in advance/ same for all
- Unstructured interview: questions unplanned/ guided by repondents answers
- Clinical interview: (semi-structred0 starts with few standard questions..later questions developin reponse
- Validity: study/findings are legitimate or true
- internal validity: study has tested what it set out to test
- external validity: degree research findings can be generalised+other setting (ecological validity)
- EXAMPLE: low internal validity=lack generaliability =low external validity
- Mundane realism; study mirrors in real world.everyday life!
- independent variable(IV)
- directly manipulated in order to observe its effects on DV
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