Term
|
Definition
| Division of the sample into groups so that every individual has an equal chance of being put in any group or condition. |
|
|
Term
|
Definition
| Factors that cause differences between the experimental group and the control group other than the independent variable. |
|
|
Term
|
Definition
| A description of the specific procedure used to determine the presence of a variable |
|
|
Term
|
Definition
| A phenomenon that occurs when a researcher's expectations or preferences about the outcome of a study influence the results obtained. |
|
|
Term
|
Definition
| Clues participants discover about the purpose of the study that suggest how they should respond. |
|
|
Term
|
Definition
| Research design in which participants don't know whether they are in the experimental or control group. |
|
|
Term
|
Definition
| Research design in which neither the experimenter nor the participants know who is in the experimental group and who is in the control group. |
|
|
Term
|
Definition
| A physical or psychological treatment given to the control group that resembles the treatment given to the experimental group and who is in the control group. |
|
|
Term
|
Definition
| A response to the belief that the independent variable will have an effect, rather than the actual effect of the independent variable, which can be a confounding variable. |
|
|
Term
|
Definition
| Consistency or repeatability of results. |
|
|
Term
|
Definition
| The extent to which an instrument measures or predicts what it is supposed to measure or predict. |
|
|
Term
|
Definition
| Numbers that summarize a set of research data obtained from a sample. |
|
|
Term
|
Definition
| An orderly arrangement of scores indicating the frequency of score or group of scores |
|
|
Term
|
Definition
| Average or most typical scores of a set of research data or distribution. |
|
|
Term
|
Definition
| The spread or dispersion of a set of research data or distribution. |
|
|
Term
|
Definition
| The difference between the largest score and the smallest score. |
|
|
Term
|
Definition
| Measures the average difference between each score and the mean of the data set. |
|
|
Term
|
Definition
| Bell-shaped curve that represents data about how lots of human characteristics are dispersed in the population. |
|
|
Term
|
Definition
| The percentage of scores at or below a particular score. |
|
|
Term
| Correlation Coefficient (r) |
|
Definition
| A statistical measure of the degree of relatedness or association between two sets of data between -1 and +1. |
|
|
Term
|
Definition
| Statistics that are used to interpret data and draw conclusions. |
|
|
Term
| Statistical Significance (p) |
|
Definition
| The condition that exists when the probability that observed findings are due to chance is less than 1/20 (some psychologists) or 1/100 (stringent standards). |
|
|
Term
| Independent Variable (IV) |
|
Definition
| Variable that is manipulated by the researcher. |
|
|
Term
|
Definition
| The outcome of the study. Measurable variable after independent variable is given. |
|
|
Term
|
Definition
Suggested rules for acting responsibly and morally when conducting research or in clinical practice.
1. Intentional harm to mental or physical health.
2. Patient confidentiality.
3. Informed Consent.
4. ___ |
|
|
