Researchers Wanted to Examine the Impact of a High-Protein Diet

Multiple Choice

Researchers wanted to examine the impact of a high-protein diet (e.g. Adkins diet) in a group of individuals who had been sedentary for a minimum of 20 years. A variety of physiological phenomena such as blood pressure and blood glucose concentrations were measured before, during and after the diet. How might you describe the research design of such a study?

A) Between-groups design
B) Between-within design
C) Within-subjects design
D) Independent-groups design