DrJohnson Hypothesizes That Nutrasweet Reduces Short-Term Memory

Multiple Choice

Dr.Johnson hypothesizes that nutrasweet reduces short-term memory.In order to test her hypothesis she gives 10 subjects a beverage containing nutrasweet (treatment group) and 10 subjects a beverage without nutrasweet (control group) .She then measures the subject's ability to recall a list of numbers.In this study the independent variable is_______and the dependent variable is______.

A) whether the subjects received nutrasweet: recall for a list of numbers
B) recall for a list of numbers: whether the subjects received nutrasweet
C) the subjects ability to recall: the drink with nutrasweet
D) Both b & c
E) None of these