Childhood Obesity Study: Parents' Perceptions Research Review
This paper critically evaluates a research study by Akhtar-Danesh et al. (2010) examining parents' perceptions and attitudes toward childhood obesity. The review analyzes the study's Q-methodology design, data collection procedures, ethical safeguards, and the appropriateness of combining qualitative and quantitative methods. It assesses the validity and reliability of the convenience sample drawn from a Canadian medical clinic, discusses key findings regarding parental awareness of nutrition and exercise, and identifies important limitations including sample bias, lack of gender representation, and limited generalizability. The paper concludes that while the study successfully measured parental perceptions within its specific context, its results cannot be broadly applied to all parents.
- Overview of the Study Design and Data Collection: Study purpose, sample, and open-ended data collection
- Ethical Protections and Validity Concerns: IRB approval, validity strengths, reliability limitations
- Data Analysis: Q-Methodology and Factor Analysis: Appropriateness of Q-methodology for measuring perception
- Qualitative vs. Quantitative Data Distinctions: How qualitative responses converted to quantitative data
- Key Findings on Parental Awareness: Parents' consensus on nutrition, exercise, and obesity
- Scientific Merit, Strengths, and Limitations: Generalizability gaps, sample bias, and study weaknesses
✍️ How to write this paper — guide, tools & examples ▾
What makes this paper effective
- The paper systematically works through each dimension of research evaluation — design, ethics, data collection, analysis, findings, and limitations — in a logical sequence that mirrors standard research critique frameworks.
- It clearly distinguishes between validity and reliability concerns, explaining why the convenience sample compromises generalizability while still acknowledging the study's internal merit.
- The discussion of qualitative-to-quantitative conversion via Q-methodology shows genuine engagement with methodological concepts rather than surface-level description.
Key academic technique demonstrated
The paper demonstrates methodological critique — the ability to evaluate not just what a study found but how it was designed and whether the methods were appropriate for the research questions. The student explicitly connects sampling choices to threats to reliability and generalizability, a core skill in research methods courses.
Structure breakdown
The paper opens with a summary of the study's purpose and sample, then moves through ethical protections, data collection appropriateness, and the qualitative/quantitative distinction. It closes with findings and a balanced assessment of scientific merit, strengths, and weaknesses. Each section builds on the previous, moving from description toward evaluation.
Overview of the Study Design and Data Collection
The research study titled "Parents' Perceptions and Attitudes on Childhood Obesity: A Q-Methodology Study" by Akhtar-Danesh et al. (2010) details the perceptions that parents hold toward the causes of obesity, how much obesity affects health, and the obstacles that exist in successfully implementing an obesity prevention program for children. Due to the nature of the research experiment, the test used was an appropriate method for attaining the necessary information. In this particular experiment, the data collection procedures entailed collecting answers from parents by having them respond to twenty questions about their feelings on the three aforementioned topics. The data was a convenience sample collected at a medical center in Canada (Akhtar-Danesh, 2010).
The subjects consisted of twenty parents who were already available and able to accurately answer the researchers' questions. They were asked their opinions in a face-to-face manner and were allowed to respond in any way they chose. That is, the data was open-ended, and there were no specific leads provided by the experimenter.
Ethical Protections and Validity Concerns
In order to ensure the protection of participants' rights, pre-approval by the Institutional Review Board was obtained (Akhtar-Danesh, 2010). This means that the researchers underwent a variety of steps to assure that the experiment would be ethical, that it would benefit the advancement of science and/or medicine, and that the project would actually yield the results it was designed to produce (Babbie, 2010). A research assistant explained all of the details of the study directly to the parents so that they would know exactly what they were participating in.
The data collection tool used in this study was appropriate for the validity of the study; however, the reliability of the study can be questioned. By asking the parents directly about their opinions on childhood obesity, the researchers were able to obtain valid answers, since they targeted parents who were already bringing their children to well-visit check-ups at the clinic. Reliability, however, is somewhat questionable because the population targeted would not be representative of all parents, as the study's hypothesis implies. Since the parents constituted a convenience sample, the individuals questioned were already concerned with the health of their children, as evidenced by their presence in a medical environment. The open-ended nature of the questionnaire also makes it more difficult to assume complete reliability, since repeating the same experiment in another environment could potentially produce different results.
In an attempt to remedy these problems, the researchers implemented a second portion of the study in which a convenience sample of one hundred parents from the same clinic were contacted by phone and asked to rank the results from the first part of the experiment (Akhtar-Danesh, 2010). They were instructed on how to properly rank the information provided and were given a consent form in order to follow established protocols. The Likert-like scale implemented allowed these parents to rank responses on a continuum from "most disagree" to "most agree." This design shifted interpretive responsibility away from the researchers and reduced the potential bias that the experimenters might otherwise have introduced when analyzing the results.
Data Analysis: Q-Methodology and Factor Analysis
The data analysis procedures were appropriate for the data collected because they provided a means of measuring something that might otherwise seem immeasurable. Q-methodology allows for qualitative data to be collected and analyzed through quantitative means (Babbie, 2010). The aim of the study was to detect and measure parental perceptions toward childhood obesity. Perception implies abstract thought — something that is personal yet informative. Measuring this concept through statistical tools alone would be impossible. However, in an effort to relay unbiased and straightforward information, Q-methodology and factor analysis were the most appropriate tools available. This approach was the best way to conduct the experiment so that the hypothesis could be most effectively addressed.
It becomes difficult to measure perception when researchers aim to attain as much raw data as possible without interrupting the flow or design of the experiment. By refraining from offering parents suggestive prompts or pre-selected perception options, the researchers were able to measure the precise information they sought.
References
Akhtar-Danesh, N., Dehghan, M., Morrison, K. M., & Fonseka, S. (2010). Parents' perceptions and attitudes on childhood obesity: A Q-methodology study. Journal of the American Academy of Nurse Practitioners, 23(2), 67–75.
Babbie, E. (2010). The practice of social research (12th ed.). Wadsworth Cengage Learning.
Create your account
Always verify citation format against your institution’s current style guide requirements.