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Exam 2 Module 5
| Term | Definition |
|---|---|
| correlational design | focuses on how variables are related to each other but only measures the variables |
| methods | surveys, interviews, records, observations |
| Survey issue: Acquiescence | rating everything positively - leniency |
| Survey issue: central tendency | rating everything in the middle |
| Survey issue: severity | rating everything negatively |
| Alternative hypotheses | the one where something happens |
| nondirectional hypotheses | doesn't say how variables are related or different only that they are |
| directional hypotheses | specifies the nature of the relationship or difference |
| null hypotheses | the one where nothing happens |
| fixing survey issues | reverse-coded items or attention-coded items |
| factor analysis | large number of participants complete the measure then factor analyze the scores to find the items that group together well |
| social desirability | tendency for people to present themselves in a favorable fashion |
| negative value correlation | one variable increases, the other decreases |
| positive value correlation | one variable increases, the other increases |