The classic work of R. A. Fisher (1935) was introduced in the field of agricultural research and helped to create the logic of __________, which is a widely used technique in contemporary psychology

Oscar is alone resting on a beach when he notices someone who appears to be floundering in the ocean. Since he does not know how to swim, Oscar realizes that he cannot help this individual himself. This example illustrates that people ________

A) often fail to recognize emergency situations as such B) usually want to be left alone and not deal with others' predicaments C) often do not help others when they are alone D) who are poor swimmers should not go to the beach alone E) often decide that they cannot help when they do not know what to do

As many as __________ percent of elderly people have at least one major medical condition

a) 40 b) 50 c) 70 d) 80