Match List – I with List – II: List IList II(a) Content Analysis(i) Same sample studied for long time (b) Simple Random Sampling(ii) Looking at the same problem from qualitative and quantitative methods (c) Triangulation(iii) Unit of analysis (d) Longitudinal research(iv) Survey Design Codes:(a)(b)(c)(d)(A)(ii)(i)(iii)(iv)(B)(iv)(ii)(i)(iii)(C)(iii)(iv)(ii)(i)(D)(i)(iii)(iv)(ii) Correct Ans: (C) Explanation: Understanding research methods and their corresponding uses is essential for effective study design. Let’s explore these concepts and their connections: Content Analysis focuses on identifying the unit of analysis. It involves studying textual or visual content to uncover patterns, themes, or trends. Researchers often use it to analyze communication messages systematically. Moreover, this method helps in deriving insights based on measurable data. Simple Random Sampling connects to survey design. It ensures that every participant has an equal chance of selection, thereby minimizing bias. This technique is vital for obtaining representative samples and making generalizations. Additionally, it is widely used in surveys to ensure accuracy and fairness. Triangulation involves examining the same problem using both qualitative and quantitative methods. This approach enhances validity by combining different perspectives. Furthermore, it allows researchers to cross-verify findings, thus ensuring a more comprehensive understanding. Longitudinal Research studies the same sample over a long time. This method observes changes and developments within a group, providing insights into patterns and trends. Consequently, it is invaluable for understanding the evolution of behaviors or phenomena. By matching these research methods with their uses, one can design studies that are both rigorous and impactful. Understanding their functions ensures clarity in research objectives and strengthens the credibility of findings.