Research Design and Sampling Techniques

Research Design and Sampling Techniques

Problem Statement

A significant number of patients affected by cardiac diseases end up being readmitted to the hospitals soon after they are released from the same. More specifically, it is evident that these patients who are readmitted only stay home for about 4 to six months before their readmission in hospitals. It is imperative that we understand the reasons behind this observation and find approaches that are suitable to alleviating the challenge (Goldstein, 2016). The cardiac disease patients face the problem, and studies have shown there is a potential reduction in the readmission of these patients if they have home-based healthcare services. As such, this study will investigate how these services help to reduce the rate of readmission.

Research Question

The research element of concern in this study is whether the patients affected by cardiac diseases, which are provided for with home healthcare services, are bound to have less hospital readmission as compared to the other patients who are not covered by these home-based health services.


The sample was selected from willing participants, totaling to 300 participants for the study who were affected by heart disease. The sampling approach used was the systematic sampling to utilize the sample size in consideration with the problem statement. The sampling size was sufficient since it allowed to satisfy all the research criteria. The sample reflects the population which was identified in the problem statement, with the generalization being on the total number of patients having readmissions and are affected by heart failure. The limitation to generalization was the precision in determining the causal relationship within the research.

Research Design

The study engaged in the use of both qualitative and quantitative methods. The qualitative methods included the use of questionnaires and interviews. The quantitative techniques, however, were more useful and involved the use of prospective randomized controlled trials and. Statistical comparisons.


Goldstein, K. (2016). Methodological approach for the study of schizophrenic thought disorder (1939). Vertex (Buenos Aires, Argentina)27(127), 229

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