Why would a pediatrician measure both height and weight each time a child goes to their office?
a. It is a procedure that has been habitually practiced.
b. It is a non-threatening way to begin a physical, especially if shots are to be given.
c. Most parents like to hear about their child's growth patterns.
d. Deviations can indicate problems in health that affect physical growth.
d. Deviations can indicate problems in health that affect physical growth.
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In programmed instruction, learners are prevented from practicing errors through
a. response cost. b. frequent feedback. c. the fixed interval scheduling. d. positive reinforcement.
The purpose of randomization or random assignment is to
a. eliminate participants who are too indecisive. b. make the experiment impressively complicated. c. prevent psychics from distorting the results through paranormal influences. d. control confounding variables by equalizing the experimental conditions.
In the Johnson and Downing uniform study, which condition led to the greatest number of prosocial behaviors?
A. KKK uniform with large name tag B. KKK uniform with no name tag C. nurse uniform with large name tag D. nurse uniform with no name tag
The need to ease the burden on the participants is especially important for a factorial design because the number of groups created by combining the levels of at least two factors can be large.
Answer the following statement true (T) or false (F)