HLT 362 Topic 4 DQ 1 Provide an example of experimental, quasi-experimental, and nonexperimental research from the GCU Library and explain how each research type differs from the others

 HLT 362 Topic 4 DQ 1 Provide an example of experimental, quasi-experimental, and nonexperimental research from the GCU Library and explain how each research type differs from the others

HLT 362 Topic 4 DQ 1 Provide an example of experimental, quasi-experimental, and nonexperimental research from the GCU Library and explain how each research type differs from the others

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Topic 4 DQ 1

Provide an example of experimental, quasi-experimental, and nonexperimental research from the GCU Library and explain how each research type differs from the others. When replying to peers, evaluate the effectiveness of the research design of the study for two of the examples provided.

REPLY TO DISCUSSION

Experimental Research: Experimental or Trial- Research is a form of research or study in which “the investigator directly controls selected conditions or characteristics of the environment, and observes the effects these changes have on other features of the problem at hand in order to determine causal relations” (Stoica, 2021). As the name implies Experimental research relies on running various tests and trials to come to a conclusion.

Example of an Experimental research study:

The Institute of Electrical and Electronics Engineers has conducted a study to research the effectiveness of cable-driven hip joint power-assisted exoskeletons. The experiments conducted to research this required three different conditions. The first condition was no exoskeleton, the second was exoskeleton opening and closing, The third condition was the effects of different experimental conditions on human joint angle, carbon dioxide exhalation, and sEMG. The results of these experiments showed the maximum angle difference of hip and knee was almost halved with the exoskeleton (3.6° with VS 6.1° without). Results also showed a 3.5% decrease in the overall carbon dioxide content in exhaled gas. Lastly, results showed The RMS values of the inferior gauze tail muscle and the quadriceps femoris muscle decreased by 51.40% and 42.55%, respectively (Ma et. al, 2022). With this information a conclusion can be reached that cable-driven hip joint power-assisted exoskeletons showed that motion deviation was small, muscle consumption was greatly reduced, and exoskeletons play a good auxiliary role in human walking.

Quasi-Experimental Research: Quasi-Experimental research is a form of study in which the aim is to evaluate interventions but that does not use randomization. “Quasi-experimental studies encompass a broad range of nonrandomized intervention studies. These designs are frequently used when it is not logistically feasible or ethical to conduct a randomized controlled trial” (Harris et. al, 2006).

Example of a Quasi-Experimental research study:

The National University of Singapore conducted a quasi-experimental research study to find the impact of the Scholarly Project® on

HLT 362 Topic 4 DQ 1 Provide an example of experimental, quasi-experimental, and nonexperimental research from the GCU Library and explain how each research type differs from the others
HLT 362 Topic 4 DQ 1 Provide an example of experimental, quasi-experimental, and nonexperimental research from the GCU Library and explain how each research type differs from the others

medical students’ perception of research skills in Vietnam. To test this “A questionnaire evaluating the perception of fourteen research skills was given to participants in the first week, at midterm, and after finishing the Scholarly Project; students assessed their level on each skill using a 5-point Likert scale from 1 (lowest score) to 5 (highest score)” (Nguyen et. al, 2022). The results showed significantly high scores for 11 skills after participation in the Scholarly Project®.

Non-Experimental Research: Non-experimental research is research without the manipulation of independent variables, random assignment of participants to conditions, and/or orders of conditions.

Example of Non-Experimental research study: 

A non-experimental research study was conducted by the BMJ journal to measure the effect of including OAT in The Joint Commission’s NPSGs on historically low rates of OAT initiation for individuals with incident atrial fibrillation (AF). This test was conducted using North Carolina State Health Plan claims data from 944 500 individuals enrolled between 1 January 2006 and 31 December 2010, supplemented with data from the Area Resource File and Online Survey, Certification and Reporting data network (Beadles et. al, 2014). The results showed OAT initiation was decreased (26.8%) for eligible individuals with incident atrial fibrilation in 2006–2008 but increased after NPSGs implementation (31.7%, p=0.022). OAT initiation was high but was lowered in the positive control group (67.5% vs 62.0%, p=0.003). Multivariate analysis resulted in a relative 11% (95% CI (4% to 18%), p<0.01) increase in OAT initiation for incident AF patients.

References:

Beadles CA, Hassmiller Lich K, Viera AJ, et alA non-experimental study of oral anticoagulation therapy initiation before and after national patient safety goalsBMJ Open 2014;4:e003960. doi: 10.1136/bmjopen-2013-003960

Harris, A. D., McGregor, J. C., Perencevich, E. N., Furuno, J. P., Zhu, J., Peterson, D. E., & Finkelstein, J. (2006). The use and interpretation of quasi-experimental studies in medical informatics. Journal of the American Medical Informatics Association : JAMIA13(1), 16–23. https://doi.org/10.1197/jamia.M1749

Nguyen Tran Minh Duc, Khuu Hoang Viet, & Vuong Thi Ngoc Lan. (2022). Impact of Scholarly Project on students’ perception of research skills: A quasi-experimental study. The Asia Pacific Scholar7(4), 50–58. https://doi-org.lopes.idm.oclc.org/10.29060/TAPS.2022-7-4/OA2748

  1. Ma, A. Zhu, Y. Tu, J. Song, D. Dang and Y. Zhang, “System Design and Experimental Research of Cable-driven Hip Joint Power-assisted Exoskeleton,” 2022 19th International Conference on Ubiquitous Robots (UR), 2022, pp. 237-242, doi: 10.1109/UR55393.2022.9826254.

Stoica, I. (2021). Experimental (Trial) Research. Salem Press Encyclopediahttps://eds-p-ebscohost-com.lopes.idm.oclc.org/eds/detail/detail?vid=1&sid=d01c6dab-6686-47c9-b2fe-2f9a5c973400%40redis&bdata=JnNpdGU9ZWRzLWxpdmUmc2NvcGU9c2l0ZQ%3d%3d#AN=89164212&db=ers