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Critical appraisal - Assignment PDF

   

Added on  2021-06-18

8 Pages1786 Words48 Views
Running Head: CRITICAL APPRAISAL1Critical appraisalStudents name:Institution:

CRITICAL APPRAISAL2Selected article: Bailey, S. R., Hagen, S. A., Jeffery, C. J., Harrison, C. T., Ammerman, S., Bryson, S. W., ... & Killen, J. D. (2013). A randomized clinical trial of the efficacy of extended smoking cessation treatment for adolescent smokers.nicotine & tobacco research,15(10), 1655-1662.1. a) The title of the article “A randomized clinical trial of the efficacy of extended smoking cessation treatment for adolescent smokers” is an appropriate title. This is due to the way the researchers structure the research process. The target population of adolescents, randomization of the trial group and the extension period of treatment are all aspects that have well been applied. The article studies the impact of extended smoking cessation treatment to school going adolescent smokers. b) The reason for the study given by the authors is that there are a relatively small number ofstudies, well designed done on teen smoking cessations. It fills the gap on the study of theeffect of smoking cessation to school going teen smokers. The study is also properly designed to fit the requirements.2. a) Selection bias results where there is an issue with the selection of participants. That is where the researchers select the participants without considering a clear inclusion and exclusion criteria.

CRITICAL APPRAISAL3 i) Sampling involved all the students in 3 years of study in 10 participating schools according to their smoking habits. All students who used to smoke more than 10 cigarettes a day were eligible for the research. The all-inclusive strategy eliminates any instance of selection bias. ii) The sample represents the population quite well since it includes all adolescent smokers in the institutions participating. out of the 612 eligible students, 141 of them participated in the research process. This is a more than 20% representation which gives satisfactory results. The outcome can thus be generalized to the population. iii) The sample size of 141 smoking students is satisfactory. It is greater than 30 and thus significant to represent the population at large. The research outcome will thus be reliable and applicable to the entire population. b) Allocation bias occurs when there is a significant difference between the participants in the treatment groups. i) The risk of bias in the selection of participants was eliminated by giving all the smoking students a chance to decide whether to participate in the process. The open-label treatment was designed for all smoking students in the schools a chance to decide on whether they would join the research. The students were randomly allocated to the intervention or control group randomlyvia a computerized mode. This eliminates allocation bias since the researchers had no control on the members of the different groups. ii) It is necessary to have the control group and the intervention group similar in order to avoid changes that may arise from any diversion in characteristics. This simply implies that the two groups experience exactly the same problem. Similar intervention and control groups validate the resulting difference in the outcome.

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