This assignment critically examines research and statistical methods within a business context. It begins by evaluating the necessity of sample size, emphasizing its importance for precision and statistical power, and discusses the potential for sampling errors. The assignment then delves into the current method of sampling, specifically random sampling, outlining its advantages such as reduced error risk and ease of use, and disadvantages including its complexity and potential for time consumption. The document further analyzes the reliability and validity of the measures used, particularly focusing on the challenges in quantifying qualitative responses and the validity of variables in answering research questions. The importance of demographic data, including age, gender, and education, is discussed, highlighting its influence on how employees perceive job security. Finally, the assignment identifies and discusses the descriptive research design employed, detailing its strengths, like its ability to observe natural behaviors and its weaknesses, such as the potential for subjective bias and difficulty in statistical analysis. References are provided at the end of the assignment.