Dr.Len wants to determine whether or not dextrin causes people to lose weight.He gives 10 subjects dextrin and 10 subjects a placebo.He measures their weight every day (since weight seems to fluctuate daily)until the experiment is discontinued (after 4 weeks).What type of design is Dr.Len implementing?
A)Between Subjects Design
B)Within Subjects Design
C)Match subject Design
D)Experimental bias
E)None of these

Question

Quizplus · Accepted Answer

Dr. Len is using a Between Subjects Design because he has two separate groups of subjects: one receiving dextrin and the other receiving a placebo. Each subject is only in one group, making it a between-subjects comparison.

DrLen Wants to Determine Whether or Not Dextrin Causes People