Question
A study of human deve lopment showed two types of mol /ies to a group o of children . Crackers were availab le in a bowl , and the invest igators compared the number of crackers ; eaten by each child I while watchin g the diffe rent types of movies.One type was showr I at 8 A.M.and ano ther at 11 A.M. It was s found that : during the movie show at 11 A.M., more cracke rs were eaten than during the movie shown at 8 A.M.. The investi gators concluded I that the different types of movies had an effect on appetite. (a) The res sponse variabl e in this expe riment is A. the diffe rent kinds of movies. B. the bowls. C. the tim e the movie was shown. D. the num lber of cra ckers eaten (b) A lurk ing variable ir this experiment is A. the diffe rent kinds of movies. B. the nun nber of crac kers eaten. C. the bowls. D. the tim le the mov ie was shown. (c) This is an example e of a A. simp le random sa mple. B. block des sign. C. matched pairs design. D. None o f the above. Mate: Voccon earn particle centri on this problem
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