About _____ Americans seek treatment for a sexually transmitted disease every year

Which statement about errorless discrimination training is true?

a) It can be used to transfer control from one type of stimulus to another b) It is more effective than fading for minimizing errors c) It is theoretically interesting but has no practical applications d) It increases adverse side effects of extinction such as emotional behavior

A field experiment comparing 36 weeks of piano and voice lessons with drama lessons and a no-lessons control showed that

A) sustained musical experiences can lead to small increases in intelligence that do not arise from comparable drama lessons. B) sustained musical experiences can boost performance on spatial but not verbal abilities. C) piano, but not voice, lessons can lead to gains in intelligence-test performance. D) drama lessons can boost intelligence-test performance above and beyond the effects of music lessons.