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| Projekt eksperymentalny typu pretest-posttest× | Eksperyment czynnikowy× | |
|---|---|---|
| Dziedzina | Planowanie eksperymentów | Planowanie eksperymentów |
| Rodzina | Process / pipeline | Process / pipeline |
| Rok powstania≠ | 1963 (formalized in Campbell & Stanley) | 1926–1935 |
| Twórca≠ | Donald T. Campbell and Julian C. Stanley | Ronald A. Fisher |
| Typ≠ | Experimental / quasi-experimental research design | Quantitative experimental design |
| Źródło pierwotne≠ | Campbell, D. T., & Stanley, J. C. (1963). Experimental and Quasi-Experimental Designs for Research. Rand McNally. link ↗ | Fisher, R. A. (1935). The Design of Experiments. Oliver and Boyd. link ↗ |
| Inne nazwy | pretest-posttest design, before-after design, pre-post design, two-wave experimental design | factorial design, factorial ANOVA design, multi-factor experiment, crossed-factor design |
| Pokrewne≠ | 5 | 6 |
| Podsumowanie≠ | The pretest-posttest experimental design measures participants on the outcome variable before and after treatment, typically with random assignment to treatment and control groups. The difference between pre- and post-scores isolates the treatment effect from baseline variation, making this one of the most widely used frameworks in experimental and quasi-experimental research across education, psychology, medicine, and the social sciences. | A factorial experiment is an experimental design in which two or more independent variables (factors) are manipulated simultaneously, and every combination of their levels is tested. Introduced by Ronald Fisher in the 1920s–1930s, it is the standard approach whenever a researcher needs to detect not only the main effect of each factor but also whether the effect of one factor depends on the level of another — the interaction effect. |
| ScholarGateZbiór danych ↗ |
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