In situations where one must work with intact groups but where there are also ethical implications concerning depriving both groups of the benefits of the experimental treatment, one uses a randomized design with a __________ control group

Malcolm, aged 35, is severely depressed. Because of this he is given electroconvulsive shock therapy. After treatment, he is sent home and does much better. However, his TV-watching behavior is strange. Malcolm thinks that last year's episodes of his favorite series are new. Malcolm is showing signs of ______________.

a) anterograde amnesia b) retrograde amnesia c) childhood amnesia d) senile dementia

What is the most common estimate for the percent of adult females who are exclusively homosexual?

A) 1 to 2 B) 2 to 5 C) 5 to 8 D) 8 to 10