Articles Critique

By Author: Sherry Roberts
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Tangkawanich, T., Yunibhand, J., Thanasilp, S., & Magilvy, K. (2008). Causal model of health: Health‐related quality of life in people living with HIV/AIDS in the northern region of Thailand. Nursing & health sciences, 10(3), 216-221.
Method
The article discusses a quantitative study on the causal model of health. A stratified four-stage random sampling technique was used to obtain the study participants. The study combines multiple data collection questionnaires to explore different factors among the participants. The use of the qualitative method of research was appropriate for this study as the researcher needed to compare data in a systematic manner so as to make generalizations to a whole population.
Protection of human rights
The study does not mention the implementation of any measures in efforts to protect subjects’ right. However, it is a requirement that researchers provide informed consent forms to study participants before undertaking the study. The researcher has also not disclosed the names of the subjects who participated in the study. The study has the element of Non-maleficence. The researcher demonstrates efforts to prevent psychological harm to participants that may arise from the nature of the study.
Research design
The use of quantitative analysis approach in this study is appropriate as that the aim of the study is to offer a logical analysis that can be provided through data in the form of numbers and statistical results. The study uses a highly structured method through the use of questionnaires. The design is highly structured as the study seeks to confirm some form of the phenomenon.
Population and sample
The sample used was made up of 422 participants living with HIV and AIDS.
Data collection and measurement
Data collection was conducted using a Personal Resource Questionnaire, Self-care Strategies Questionnaire, Symptom Experience Questionnaire and HRQOL Questionnaire.
Procedures
The researcher examined the causal relationships between age, social support, antiretroviral treatment, self-care strategies, symptom experience and health-related quality of life. The study follows clear and logical steps on how the study process was conducted including how subjects were chosen, how the data was analyzed and how the findings were arrived at.

Li, L., Wu, Z., Wu, S., Jia, M., Lieber, E., & Lu, Y. (2008). Impacts of HIV/AIDS stigma on family identity and interactions in china. Families, Systems, & Health, 26(4), 431.

Method
This study adopts a qualitative approach in examining how HIV-related stigma impact families living with HIV/AIDS in China. The authors carried out the qualitative study to determine how stigma influenced participants. The use of qualitative approach is suitable because the study is primarily exploratory research. Through this approach, the researcher can gain an understanding of underlying reasons.
Protection of participants’ rights
The researchers obtained informed consent from participants before conducting the interviews. The researchers note that the study fulfilled all human subject guidelines including obtaining approval by the Institutional Review Board (IRB) before the One-on-one interviews were conducted
Research design and research tradition
The researchers explored for content that elucidated and identified key points expressed by study participants. Given that the sample being studied was a single group, the primary purpose was to identify how HIV-related stigma that goes beyond personal experiences.
Sample and setting
The study was conducted using a sample of 30 people living with HIV/AIDS. 15 family members including spouses, parents, and siblings were involved.
Data collection
Researchers collected data using interviews with both subjects and their family members. The interviews were later analyzed to give a more comprehensive perspective.
Procedures
The researcher demonstrates clear and logical steps on how the study process was conducted including how subjects were selected and how data collection was done. This makes it easy to follow.
Enhancement of trustworthiness
The study has elements of trustworthiness. The researchers have taken the necessary step to demonstrate how findings emerge from the data.

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