AP psych methodology unit 1 review

case study method

used to get full detailed picture of one participant or small group of participants

Random Selection

when every member of the population has an equal chance of being selected as a participant of a study 

theory

aims to explain some pheno n allows researchers to generate

reliable valid research

when research can be replicated and is consistent and measures what researcher intends to research

operational part of AAQ

when you operationalize a variable, you explain how you will measure it

assignment

the process by which participants are put into a group experimental or control

lab experiment 

experiments that are conducted in a highly controlled environment

survey method

research design method where scientists ask people to fill out surveys

demand characteristics

cues about purpose of study that participants can use to appropriately respond

correlation

express a relatio between 2 variables w out ascribing cause and can b either + or -

overconfidence

after an event, people often believe that they knew the outcome of the event before it actually happened

Group Matching

when one wants to ensure experimental & control groups were equivalent on some criterion (age iq, sex) they use this

Double blind

when neither participants or resear van affect outcome of the research

Dependent Variable 

variable that is measured by the experimenter

experimental group 

the (subject) group that gets the treatment operationalized in the independent variable