Latona did an experiment at a military barracks over the space of a few months to examine the effect of group size on group morale. He randomly assigned soldiers to the experimental and control groups and did a pretest and posttest. Given the time involved, some of the soldiers in the experimental group began talking with some of the soldiers in the control group and told them about the stimulus. Which source of internal invalidity does this example reflect

apart from being against desegregation, governor of georgia eugene talmadge opposed as well to the work progress administration, an ambitious program of the "new deal" created by president franklin d. roosevelt to overcome the great depression after world war i. talmadge disagreed with welfare spending, job training and organized labor. according to his ideas, he thought the government was spending too much money on this, and he wasn't willing to accept a wage higher than georgia's lower average wage. besides, talmadge strongly opposed to the "new deal" as he thought it had communist ideas.

answer; ///approx///5,000 miles;

answer; adolf hitler;

answer; the residents of american samoa elect a nonvoting delegate to congress;