Author Question: In field experiments, researchers __________. A) selectively assign participants to treatment ... (Read 64 times)

tichca · **on:** Jun 22, 2018

In field experiments, researchers __________.

A) selectively assign participants to treatment conditions in natural settings
B) cannot used random assignment or manipulate treatment conditions
C) randomly assign participants to treatment conditions in natural settings
D) have stronger control over the treatment than in the laboratory

Question 2

Dr. McBride wants to know if the teachers use of encouragement in the classroom affects the childrens self-esteem. To assign children to treatment conditions, Dr. McBride should __________.

A) carefully distribute the children according to their test scores
B) divide the children so each group has an equal number of boys and girls
C) draw the childrens names out of a hat
D) assign the quieter children to the same treatment condition