Term
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Definition
| descriptive, inferential and correlational/predictive |
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Term
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Definition
Nominal
Ordinal
Interval
Ratio |
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Term
| Factors affecting internal validity |
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Definition
Maturation
Testing Attrition
Investigator Bias |
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Term
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Definition
| refers to how well an experiment is done, especially whether it avoids confounding (more than one possible independent variable [cause] acting at the same time). The less chance for confounding in a study, the higher its _____________ is |
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Term
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Definition
| it is the extent to which the results of a study can be generalized to other situations and to other people |
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Term
| Factors affecting external validity |
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Definition
Sampling Bias
Hawthorne affect |
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Term
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Definition
| refers to how participants are allocated to the different conditions (or IV groups) in an experiment |
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Term
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Definition
| quantitative method of research in which you have 2 or more quantitative variables from the same group of subjects, & you are trying to determine if there is a relationship (or covariation) between the 2 variables (a similarity between them, not a difference between their means) |
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Term
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Definition
| defined as a research strategy, an empirical inquiry that investigates a phenomenon within its real-life context |
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Term
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Definition
| addressing the counterfactual is a requirement for demonstrating the health program caused changes in outcomes or impacts |
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Term
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Definition
| a method for systematically combining pertinent qualitative and quantitative study data from several selected studies to develop a single conclusion that has greater statistical power |
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Term
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Definition
| total number of observations or trials within a given range |
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Term
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Definition
| defined as the sum of all previous frequencies up to the current point |
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Term
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Definition
| one obtains a frequency count for the total population and a frequency count for a subgroup of the population |
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Term
| Grouped frequency distribution |
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Definition
| organizing of raw data in table form, using classes and frequencies |
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Term
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Definition
| Highest score minus lowest score plus 1 |
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Term
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Definition
| Distance between 25th and 75th percentile |
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Term
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Definition
| Sum of squared deviations from mean divided by N (SS/N) |
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Term
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Definition
| square root of the variance |
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Term
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Definition
| existing in name only, categories |
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Term
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Definition
| number defining a thing's position in a series |
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Term
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Definition
| what is between two points or values |
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Term
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Definition
| quantitative relation between two amounts showing the number of times one value contains or is contained within the other |
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