第12题: [简答题]part 1Shopping
How often do you go shopping
Talk about your last shopping experience.
Why do you like shopping
Do you prefer to go shopping with friends or alone
Do you like shopping
What makes you interested in shopping
Do you think shopping is a waste of time
参考答案:
第14题: [单项选择]200名睡眠障碍者用气功疗法治疗,随访半年,70%的人睡眠改善。对此项研究,你的结论是 A. 气功疗法治疗睡眠障碍效果好,观察半年70%的病人有效 B. 此法效果可疑,30%未见效 C. 无法作出结论,因样本较小 D. 无法作出结论,因未设对照组 E. 无法作出结论,因未进行统计学检验 参考答案:D 答案解析:要说明干预措施是否有效不能仅仅只有干预组,而没有对照组。一项干预研究没有设立相应的对照组是难以说明干预措施与效果之间的关系的。