What did wundt's pendulum experiment demonstrate? a. hearing sounds can confuse people when asked what they saw. b. watching a pendulum requires extreme focus. c. people need time to shift between two different stimuli.

What is the main goal of recommended dietary allowances (rdas)? to inspect school cafeterias across the united states to regulate foods sold at supermarkets and farmers' markets to investigate claims of tainted food being served in restaurants to indicate daily nutrient requirements