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unit 2*

ap psychology

TermDefinition
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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