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#lpeleap Chapter 2
Research Methods
| Term | Definition |
|---|---|
| Confounding variable | a factor other than the independent variable that might produce an effect in an experiment. |
| Correlation | a measure of the extent to which two factors vary together, and thus of how well either factor predicts the other. |
| Correlation Coefficient | a statistical index of the relationship between two things. An example is -1 to +1. |
| Critical Thinking | thinking that does not blindly accept. Rather it examines assumptions, discerns hidden values evaluates evidence and assesses conclusions. |
| Debriefing | the post-experimental explanation of a study, including its purpose in any deceptions, to its participants. |
| Dependent variable | the outcome factor; the variable that may change in response to manipulations of the independent variable. |
| Illusory correlation | the perception of a relationship where none exists. |
| Independent variable | the experimental factor that is manipulated; the variable who's effect is being studied. |
| Normal curve | a symmetrical, bell shaped curve that describes the distribution of many types of data; most scores fall near the mean. |
| Standard Deviation | a computer measure of how much scores vary around the mean score. |
| Statistical significant | statistical statement of how likely it is that an obtained result occurred by chance. |
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