Term
|
Definition
| potential for confounding facts to interfere with the relationship between the independent and dependent variables |
|
|
Term
|
Definition
| tendency for subjects to perform better merely because of the expectations of the situation |
|
|
Term
|
Definition
| extent to which study results can be generalized outside the experimental situation |
|
|
Term
| One group Pretest- Posttest Design |
|
Definition
| Quasi-experimental. Involves comparing pretest and posttest scores. |
|
|
Term
| Pretest-Posttest Control Group Design |
|
Definition
| Gold Standard. Experimental. compares two or more groups formed using random assignment |
|
|
Term
| Non-equivalent pretest-posttest control group design |
|
Definition
| Quasi-experimental. Randomization not possible. Strongest quasi-exp design; pretest scores used to establish equivalene on dependent variable. |
|
|
Term
| Non-equivalent control group design with multiple pretests |
|
Definition
| quasi-equiperimental. See if nonequivalent groups change at different rates |
|
|
Term
| Posttest only control group design. |
|
Definition
| True experimental. Assume initial equivalent. use when pretest is impractical or there is no pretest for the dependent variable |
|
|
Term
| Non-equivalent posttest only control group design |
|
Definition
| quasi-experimental. uses existing groups that have and have not received treatment. |
|
|
Term
|
Definition
| Each independent variable has two levels. |
|
|
Term
|
Definition
| Do baseline, then treatment |
|
|
Term
|
Definition
| The person does not have a problem, but the test says they do. |
|
|
Term
|
Definition
| The person does have a problem, but the test says they do NOT |
|
|
Term
| What are the characteristics of experiments? |
|
Definition
| Manipulate variables, random assignment, control group, research protocol, binding. |
|
|
