Transcription of Quantitative Research Designs: Experimental, Quasi ...
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Quantitative Research Designs: Experimental, Quasi -Experimental, and DescriptiveChapter Outline Introduction Experimental Study Designs Quasi -Experimental Designs Descriptive Quantitative Designs Additional Types of Designs Researcher Interview: Intervention Research ,Dr. Leslie Cunningham-Sabo, PhD, RDNlearning OutCOmes Discuss five considerations when planning aresearch design. Explain the three essential components ofexperimental designs, and compare andcontrast the following experimental Designs: randomized controlled trials, crossover, factorial,and Solomon four group designs. Discuss the advantages and disadvantages ofvarious experimental designs. Compare and contrast the nonequivalentcontrol group and interrupted time seriesdesigns. Discuss the advantages and disadvantages ofvarious Quasi -experimental designs. Compare and contrast the descriptive cross-sectional, repeated cross-sectional, comparative,and descriptive correlational designs. Discuss the advantages and disadvantages ofvarious descriptive designs.
modified, take a supplement containing a nutrient or phytochemical, or take part in an educational program. 2. Control for extraneous variables. Various control techniques, such as randomiza-tion and having a control group, are used. Having a control group allows the researcher to compare and evaluate the performance of the experimental group
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