20719137
Descripción
Fichas por Malik Johnson, actualizado hace más de 1 año
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Creado por Malik Johnson
hace más de 4 años
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| Pregunta | Respuesta |
| Confounding/third variable | any variable that is extraneous to the two variables being studied. |
| Construct validity | the adequacy of the operational definitions of variables |
| Correlation coefficient | indicates +- directional strength of relationship (A numerical index of the strength of relationship between variables) |
| Positive linear relationship | increase in one; increase in other variable |
| Negative linear relationship | increase in one; decrease in other variable |
| Curvilinear (non-monotonic) relationship | increase in one; increase&decrease in other variable |
| Dependent Variable | variable that is the effect |
| Independent variable | variable that is considered to be the cause |
| Experimental method | direct manipulation and control of variables |
| Nonexperimental method | (observation-no manipulation) relationships are studied by making observations or measures of the variables of interest. |
| Experimental Control | all extraneous variables are kept constant. (this addresses confounds in experimental research) |
| Internal Validity | our ability to accurately draw conclusions about causal relationship |
| External validity | extent results can be generalize to other populations and setting |
| Statistical validity | accuracy of statistical conclusions drawn from research |
| Operational definition | set of procedures used to manipulate or measure the variable |
| Participant variable | subject variables and attributes (age, gender, ethnic group) These variables are by definition nonexperimental and must be measured |
| Randomization | ensures that the extraneous variable is just as likely to affect one experimental group as it is to affect the other group (this addresses confounds in experimental research) |
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