This assignment evaluates a proposed customer satisfaction survey for airlines focusing on both Full Service Carriers (FSCs) and Low-Cost Carriers (LCCs). It critically analyzes the survey design, including the hybrid method of data collection, questionnaire structure, and potential biases. The analysis highlights areas for improvement, such as simplifying the questionnaire, adapting it for diverse literacy levels, and choosing a more efficient data collection method like an online survey. The assignment concludes by emphasizing the importance of clear methodology, respondent selection, and well-designed questionnaires for accurate and meaningful results.