Question

 

Describe the functions of literature review.

06 Mar 2026
Answer :
Word Count : 1124
In social work research, literature review plays an essential role in building a strong conceptual and methodological foundation for any study. It refers to a systematic and critical examination of existing scholarly writings, research reports, theoretical frameworks, and professional publications related to a specific research problem. Literature review serves several important functions in social work research methods as it helps researchers understand previous knowledge, identify gaps in research, and develop new insights for improving social welfare practices. One of the primary functions of literature review is to provide background knowledge of the research topic. By studying existing literature, researchers become familiar with past studies, theoretical perspectives, and practical applications related to social work issues. This helps in understanding how the research problem has been approached previously and what findings have already been established. Social work research often deals with complex social problems such as poverty, child welfare, mental health, and community development. Reviewing literature helps researchers gain comprehensive knowledge about these issues before conducting primary research. Another important function of literature review is to help in problem formulation and identification of research gaps. In social work research methods, identifying a clear research problem is crucial for conducting meaningful studies. Literature review allows researchers to examine what has already been studied and what areas still need further investigation. By analyzing existing research, social work researchers can identify unanswered questions, contradictions in findings, or limitations in previous studies. This helps in developing relevant research objectives and formulating research questions that contribute to knowledge development in social work practice. Literature review also plays a significant role in developing theoretical frameworks. Social work research is often guided by theories that explain human behavior, social structures, and social interactions. By reviewing existing literature, researchers can identify relevant theories and conceptual models that support their study. Theoretical frameworks help
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