Nursing Research 2
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26 terms
Terms | Definitions |
|---|---|
 Causality | things have causes, and causes lead to effects |
| Research Design | blueprint for conduction a study |
| Multicausality | presence of multiple causes for an effect |
| Probability | addresses relative rather than absolute causality |
| Bias | slant or deviation from the true or expected |
| Control | having the power to direct or manipulate factors to achieve a desired outcome |
| Manipulation | form of control used most commonly in experimental or quasi-experimental research |
| Descriptive Design | used to develop theories, identify problems with current practice, justify current practice, make judgments, or determine what other nurses in similar situations are doing |
| Comparative Descriptive Design | used to describe variables and to examine differences in variables in two or more groups that occur naturally in a setting |
| Case Study Design | examines a single unit within the context of its real-life environment |
| Relational Design | examine relationships between or among two or more variabls in a single group in a quantitative study |
| Descriptive Relational Design | to describe variables and examine relationships among these variables |
| Predictive Relational Design | predict the value of one variable based on values obtained for another variable(s) |
| Model Testing Design | requires that all variables relevant to the model be measured |
| Quasi-experimental Design | search for knowledge and examination of causality in situations in which complete control is not possible; lack random assignment |
| Experimental Design | relatively simple and others very complex, have been developed for a varity of studies focused on examining causality |
| Pretest/Posttest | researcher has a group of subjects who receive experimental treatment (or intervention) and a comparison group of subjects who reveive no treatment (or standard care) |
| Experimental | consists of pretest/postest, control group, treatment, comparison group, independent & dependent variables, and diagram |
| Control Group | receives no treatment or placebo |
| Comparison Group | similar to control, in quasi-experimental, no treatment |
| Treatment | under control of researcher |
| Characteristics of Quantitative Design | manipulation controls treatment, control group has not received treatment, randomiaztion procedures are rigidly adhered to in a study |
| Randomization | procedures used to assign subjects to the experimental and control groups |
| Elements of Experimental Research | random assignment of subjects to groups, precisely defined independent variable, researcher-controlled manipulation of the intervention or independent variable, reseacher control of situation or setting or comparison grooup, clearly indentified sampling criteria, carefully measured dependent variables, & controlled environment |
| Qualitative | variables in natural settings; non numerical explanations |
| Chacteristcs of Qualitative Design | flexible, holistic, understanding not predicting, researcher is involved, and ongoing analysis |
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