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Psychology Ch 1
| Term | Definition |
|---|---|
| Random Sample | choosing subjects at a whim not specifically |
| Naturalistic Observation | observing in the natural habitat without manipulation |
| Correlation | the relation between two or more factors |
| Correlation Coefficient | statistical value showing a relation |
| Scatter Plots | graph of sporadic dots |
| Illusory Correlation | belief of a relation when there actually is none |
| Experiment | testing variables and manipulating factors to prove a hypothesis |
| Random Assignment | sporadically assigning people |
| Double-blind Procedure | researching ignorant participants in order to get accurate results |
| Placebo Effect | giving a blank or unuseful substance or condition and receiving a result by the person just thinking something would change |
| Experimental Group | Group that is manipulate |
| Control Group | the basis unchanged group |
| Independent Variable | manipulated factor |
| Dependent Variable | resulting factor |
| Mode | most frequent score |
| Mean | average score |
| Median | middle score |
| Range | difference of scores |
| Standard Deviation | measure amount scores differ from mean. square root of sum of deviations over the number of scores. |
| Normal Curve | symmetrical bell curve |
| Statistical Significance | statistical measure of how likely something is by chance |
| Culture | ideas, behaviors, attitudes and traditions of a group of people |
| Hindsight Bias | "knew it all along" |
| Critcial Thinking | examines all meanings and evaluates |
| Theory | prediction with knowledge |
| Hypothesis | testable theory |
| Operational Definition | definition of a phrase or function |
| Replication | ability to replicate an experience or study |
| Case Study | intense study of one person or thing |
| Survey | varied study of attitudes or behaviors random study of a group |
| Population | all cases studied in a group |