| A | B |
|---|
| Naturalistic Observations | Research method in which the psychologist observes the subject in a natural setting without interfering |
| Case Study | Research method that involves an intensive investigation of one or more participants |
| Cross Sectional Study | Research method in which data is collected from groups of participants of different ages |
| Experiment | Enables the investigator to control the situation and to decrease the possiblity that unnoticed, outside variables will influence results |
| Longitudinal Study | Research method in which data is collected about a group of participants over a number of characteristics change or remain the same during development |
| Survey | Research method in which information is obtained by asking many individuals a fixed set of questions |
| Correlation | The measure of a relationship between two variables or sets of data |
| Random Sample | Equal chance of each individual being represented |
| Hypothesis | an educated guess about the relationship between two variables |
| Stratified Random Sample | Subgroups in population are represented proportionately in the sample |
| Variables | Any factor that is capable of change |
| Control Group | The group that is treated in the same way as the experimental group exept that the experimental treatment is not applied |
| Experimental Group | The group to which an independent variable is applied |
| Placebo Effect | When the action of a process rather than the process itself has the ability to transform behavior. (ex. taking a sugar pill, thinking it is asprin, makes your headache go away.) |
