(1) naturalistic observation, (2) case studies, (3) surveys, (4) correlational studies, and (5) experiments.

i need help and more clear understanding of the methods.

Study #1 - the study of the relationship between use of studying and grades in high school students.

Study #2 - the study of what leads to hazing in college fraternities. There is little information about this that is already known. Study #3 - the study of people's attitudes towards religion and the number of times they attend religious services.

Study #4 - the study of a rare form of dementia impacts family functioning. This form of dementia impacts less than 1% of the population. Study #5 - the study of the relationship between social media use and student grade point average. We are going to control one of the variables to measure the impact on the other.