Dr.V wanted to test her hypothesis that sugar improves memory,so she gave one group of participants candy sweetened with sugar and another group candy sweetened with NutraSweet.Then she compared the performance of the two groups on a test of recognition memory.Dr.V's research method is ____.

Question

Quizplus · Accepted Answer

Dr.V's research involved manipulating the independent variable (sugar vs NutraSweet candy) to observe its effects on the dependent variable (performance on a test of recognition memory). This is the definition of an experimental research method.

DrV Wanted to Test Her Hypothesis That Sugar Improves Memory,so