Experimental Designs -Pretest-Posttest Control Group Design

Experimental Designs -Pretest-Posttest Control Group Design

Experimental Design Used in the Study

The experimental design utilized in the study is a pretest-posttest control group design. This experimental design entails the arbitrary allocation of participants into two distinct groups: experimental and control groups (Smith et al., 2019). The experimental group is subjected to the intervention, which in this particular instance pertains to mindfulness training, whereas the control group remains devoid of such intervention. Both cohorts are evaluated based on the dependent variable before and after the intervention’s implementation to gauge the treatment’s efficacy.

How Randomization, Control, and Manipulation Are Implemented

Randomization is executed through the arbitrary allocation of participants to either the experimental or control cohorts (Polit & Beck, 2021). This methodology ascertains that any disparities observed between the two cohorts can be attributed to random occurrences rather than systematic prejudices.

Control is attained through establishing a control group, deliberately withheld from receiving the intervention under investigation (Polit & Beck, 2021). By juxtaposing the outcomes of the experimental group with those of the control group, researchers can ascertain the veritable impact of mindfulness training.

Manipulation is effectively executed through the application of intervention, which, in this scenario, takes the form of mindfulness training (Polit & Beck, 2021). The researchers actively manipulate the independent variable (mindfulness training) to observe its effects on the dependent variable (levels of mindfulness and self-compassion).

Generalizability of the Findings to the Larger Population

The implications of this study’s findings may extend to the broader populace of concern, namely those afflicted with persistent pain. Using randomization and control group design mitigates bias and enhances the study’s internal validity, thereby augmenting the likelihood of attaining accurate findings. Nevertheless, it is imperative to acknowledge the presence of certain constraints that warrant careful consideration. Primarily, the investigation was undertaken to utilize a distinct cohort of subjects (university attendees afflicted by persistent discomfort), potentially limiting the findings’ generalizability to the broader populace of individuals grappling with chronic pain (Smith et al., 2019). Furthermore, it is imperative to acknowledge that the sample size employed in this study is comparatively diminutive, potentially impeding the extent to which the findings can be extrapolated to a broader population. Furthermore, it is vital to acknowledge that the study’s scope was limited to examining immediate outcomes resulting from mindfulness training. Consequently, a comprehensive comprehension of the enduring ramifications of chronic pain management remains somewhat elusive.

References

Polit, D. F., & Beck, C. T. (2021). Nursing research: Generating and assessing evidence for nursing practice. Wolters Kluwer. https://www.google.com/books/edition/Nursing_Research/HyNGxQEACAAJ?hl=en

Smith, M. G., Witte, M., Rocha, S., & Basner, M. (2019). Effectiveness of incentives and follow-up on increasing survey response rates and participation in field studies. BMC Medical Research Methodology, 19(1). https://doi.org/10.1186/s12874-019-0868-8

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Week 5 Discussion: Experimental Designs

Due: Post your initial response by Wednesday night at 11:59 pm Mountain Time.

Respond to at least two of your fellow students’ posts by Friday night at 11:59 pm Mountain Time.

Step 1 Read the article in Appendix B of your required textbook (Coria et al., 2020).

Step 2 Discuss the following questions related to the Appendix B article taken from Experimental Designs found in your textbook in the Critical Appraisal Criteria Box on p. 186

What experimental design is used in the study?
How are randomization, control, and manipulation implemented?
Are the findings generalizable to the larger population of interest?
Step 3 Read and respond to two other students’ posts by Friday 11:59 pm MT.

Read other students’ posts and respond to at least two of them. Use your personal experience, if it’s relevant, to support or debate other students’ posts. If differences of opinion occur, debate the issues professionally and provide examples to support your opinions.