Zusammenfassung der Ressource
Research methods
- Hypothesis
- Operational defination
- Observable actions or conditions that are used to measure or control variables
- A starting theory for the experiment
- Variables
- Independent Variables
- A characteristic that is changed for the purpose of the experiment
- Dependent Variables
- The outcome of the independent Variables
- Extraneous Variables
- A variable that is not the independent variable that can affect the outcome of the experiment
- Confounding of Varibles
- Two variables related in a way that makes it hard to separate them
- Methods
- Random assignment
- All subjects have a equal chance of being in any group
- Representative sample
- Population sample
- Subjects
- Control group
- The group who do not receive treatment used as a bench mark
- Experimental Group
- The group that receives treatment from the researchers
- Procedure
- observation
- Naturalistic observation
- The researcher does not intervene directly
- Questionnaire/ survey
- Interview
- Experiment
- Partisapation
- Case study
- A detailed analysis of an individual subject
- Bias
- Sampling bias
- Placebo effect
- Experimenter bias
- Social desirability bias
- Double-Blind study
- neither the researcher of the subject knows who is the controll group or the experimental group
- Ethics
- The research must can't hurt or demean people
- The research must benefit society in some way
- The psychologist is expected, to be honest, and show integrity in relationships formed over the course of the experiment
- The research must be used for betterment of society as a whole
- Statistics
- Median
- a score that falls in the centre of the scores
- mean
- the average of the scores collected
- The use of math to summarize and explain data
- Mode
- the most repeated score
- Descriptive statstics