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Title: Professor Stevenson and his colleagues observed the motor behavior of children following the ... Post by: KENHUYNH96 on Jan 19, 2018 Professor Stevenson and his colleagues observed the motor behavior of children following the administration of a drink with food additives or a drink without the additives. Neither the children nor their observers knew which kind of drink each consumed. This experimental procedure is designed to control for
a. placebo effects. b. tolerance. c. withdrawal. d. the likelihood that some of the children might have attention deficit hyperactivity disorder. Title: Professor Stevenson and his colleagues observed the motor behavior of children following the ... Post by: Ca1234 on Jan 19, 2018 Content hidden
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