The Relationship Between Attendance and Grades in the College Classroom (pdf) What is the independent variable under study in this research? What is the dependent variable? Where did you first see the independent and dependent variable stated? Identify the sample. Identify the population. Was the sample a random sample, a simple random, or a sample of convenience? Such information as male, female represents which scale of measurement? Are there any circumstances of this study which may influence the results? What components of an Empirical research can you identify? What is the research design used in this study? Was this a descriptive, correlational, or inferential study? Did the researchers attempt to infer the results to a greater population