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unit 2*
ap psychology
| Term | Definition |
|---|---|
| applied research | aims to solve practical problems |
| basic research | pure science that aims to increase the scientific knowledge base |
| hypothesis | a testable prediction |
| independant variable | manipulated by the experimenter (x-axis) |
| dependant variable | a factor that may change in respose to the independant variable (y-axis) |
| theory | is an explanation that integrates principles, organizes, and predicts behavior or event |
| operational definition | a clear statement of what one is looking for in an experiment |
| validity | measures what you want to be measured |
| reliability | replicable and is consistent |
| sampling | process by which participants are selected |
| population | the amount of participants that can be selected for the sample |
| representative sample | takes the results from a smaller group and apply that to a larger group of people |
| random sample | everyone has an equal chance of being selected for the experiment because the participants are chosen at random |
| control | group that does not take part in the critical part of the experimentation process |
| experimenter bias | the experimenter, either unconsciously or consciously, affects the outcome of the experiement |
| single blind procedure | the subjects do not know what group they belong to |
| double blind procedure | neither the experimenter or the subject know what group the subjecs are in |
| hawthrone effect | if you know you're being studied, you will act differently than you normally would |
| placebo | sugar pill |
| postive correlation | as one goes up, the other goes up |
| negative correlation | as one goes up, the other goes down |
| survey | a technique for ascertaining the self reported attitudes, opinions or behavior of people in the questionnaire or similar way of ascertianing information |
| naturalistic observation | observing and recording behavior in the wild/natural enviornment |
| case study | get a full, detailed picture of one participant of a small group of participants |
| mean | average of the scores |
| median | middle score |
| mode | the most frequently occuring score |
| range | the lowest score subtracted from the highest score |
| standard deviation | the average distance of scores around the mean |
Created by:
brooklynnrose1
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