A researcher wants to examine the relationship between the weight of a student’s school bag and the presence of back pain. Describe a study you might conduct to answer this question. Be sure to include the type of study and the data to be collected.

Cross Sectional Causal Research

Explanation:

A cross sectional causal research - can be used to study the relationship between weight of students' school bag & presence of back pain.

Cross sectional study is the study of difference sample units from population at same period of time. Causal research seeks to identify & explain cause effect relationship between variables under consideration (independent causal variable & dependent resultant variable)

In this case, various students are to be examined at same time, so its a cross sectional study. It studies the impact of independent variable 'school bag weight' on dependent variable 'back pain'. So,  its a causal research

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