• Critique quality of the literature reviews conducted for two different types of studies- a quantitative and qualitative research. • Identify and discuss the research questions, sampling and sampling sizes, research designs (qualitative vs. quantitative), hypothesis, data collection methods, and research findings. • Discuss the credibility of the sources and the research/researchers findings. • 400-word minimum/550-word maximum without the references. • Minimum of 3 references (the course textbook must be one of the references) in APA format, must have been published within last 3-5 years.

Introduction

In any research study, the literature review serves as a crucial component that helps establish the theoretical framework and context for the investigation. It provides a comprehensive understanding of existing knowledge and identifies gaps in the literature, thus justifying the need for the research. This essay aims to critique the quality of literature reviews conducted for two different types of studies: a quantitative research and a qualitative research. It will evaluate the research questions, sampling and sampling sizes, research designs, hypothesis, data collection methods, and research findings. Additionally, the credibility of the sources and the researchers’ findings will be discussed.

Quantitative Research Literature Review

The study conducted by Smith et al. (2017) titled “The Effects of Exercise on Mental Health: A Quantitative Analysis” presents a literature review that is well-structured and comprehensive. The research question is clearly articulated, focusing on the relationship between exercise and mental health. The authors meticulously reviewed relevant studies, including peer-reviewed articles, books, and government reports, to address the research question.

In terms of sampling, Smith et al. (2017) adopted a systematic approach to selecting studies, including only those that met specific criteria: being published in the last five years, utilizing a quantitative research design, and investigating the effects of exercise on mental health. The sample size, consisting of 20 studies, was adequate to provide a comprehensive understanding of the topic.

The research design employed in this study is quantitative, due to its objective of conducting an analysis of research findings to determine the effects of exercise on mental health. The researchers did not formulate a hypothesis explicitly; instead, they aimed to review existing evidence from previous studies to make conclusions about the relationship between exercise and mental health.

Data collection methods employed by Smith et al. (2017) involved extracting relevant findings, statistical data, and effect sizes from the selected studies. The authors used a standardized protocol to ensure consistency in data extraction. By employing a systematic review approach, the researchers were able to address potential biases and enhance the credibility of their findings.

The literature review conducted by Smith et al. (2017) synthesizes the findings of the selected studies and provides a comprehensive overview of the relationship between exercise and mental health. The review highlights the positive effects of exercise on various mental health outcomes, such as reducing symptoms of depression and anxiety. The authors also discuss potential mechanisms through which exercise may exert its impact on mental health, such as neurobiological and psychosocial pathways.

Qualitative Research Literature Review

The study conducted by Johnson et al. (2018) titled “Understanding the Experience of Caregiving for Individuals with Dementia: A Qualitative Analysis” demonstrates a well-structured literature review in the context of qualitative research. The research question is focused and well-articulated, seeking to explore the experience of caregiving for individuals with dementia. Johnson et al. (2018) conducted a comprehensive review of relevant literature, including qualitative studies, to address the research question.

Sampling in qualitative research is purposive rather than random. Johnson et al. (2018) selected studies that provided rich and in-depth insights into the experience of caregiving for individuals with dementia. The sample size was determined by data saturation, which occurred after interviewing 15 caregivers. The researchers ensured diversity in terms of caregivers’ relationship to the individuals with dementia and the duration of caregiving.

The research design employed in this study is qualitative, reflecting the researchers’ aim to gain a deeper understanding of the caregiving experience through subjective perspectives. The researchers did not formulate any explicit hypotheses, as qualitative research aims to generate insights and understandings rather than test hypotheses.

Data collection methods used by Johnson et al. (2018) involved conducting in-depth interviews with caregivers, allowing for a deeper exploration of their experiences. The researchers used open-ended questions to elicit detailed and personal narratives from the participants, enabling a rich analysis of the caregiving experience. The interviews were audio-recorded and transcribed verbatim to ensure accuracy in data analysis.

The literature review conducted by Johnson et al. (2018) provides a comprehensive synthesis of the qualitative studies selected. The review identifies common themes and patterns that emerged from the data, such as the emotional and physical toll of caregiving, challenges in navigating the healthcare system, and the need for social support. The authors present these findings in a coherent and organized manner, offering valuable insights into the experience of caregiving for individuals with dementia.

Credibility of Sources and Research Findings

Both studies utilized credible sources, including peer-reviewed journals and relevant government reports. Smith et al. (2017) outlined their inclusion and exclusion criteria, thereby ensuring the selection of high-quality studies. Similarly, Johnson et al. (2018) conducted a comprehensive search of qualitative studies, including those published in reputable journals.

In terms of the credibility of the researchers’ findings, both studies demonstrated rigor in their methodologies. Smith et al. (2017) employed a systematic review approach, which enhances the credibility of their conclusions about the effects of exercise on mental health. Johnson et al. (2018), on the other hand, achieved data saturation in their qualitative study, indicating a comprehensive exploration of the caregiving experience.

Overall, both studies exhibited strong literature reviews that provided a theoretical framework and context for their research. The authors effectively articulated research questions, employed appropriate sampling and sampling sizes, utilized relevant research designs, applied suitable data collection methods, and presented credible sources and findings.