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【多选题】
下列属于常见的外部效度威胁因素的有( )
A.
测试关联:在测后实验之前进行相关度比较高的测前测试可能会使被试对实验更加熟悉和敏感,从而提高测试成绩。
B.
测量手段:在实验中用到的各种手段工具会影响测试结果。
C.
样本不具代表性:作为样本的被试不能代表母体的情况。
D.
需求特性:被试在参与实验时很自然地去猜测实验者到底想要检验什么,在试验中能引导被试作出猜测的线索被称为需求特性。
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参考答案:
举一反三
【单选题】---Is tea ready? ---No, mother is ________ it ready now?
A.
doing
B.
cooking
C.
burning
D.
getting
【单选题】—I didn’t go to the movie last night because of the rain.
A.
hat a pity!If I had got the ticket, I ________ it.
B.
wouldn’t have missed
C.
wouldn’t miss
D.
didn’t miss
E.
hadn’t missed
【单选题】患者,女性,30岁。既往有肺结核病史。近一年来出现右下腹隐痛,伴有腹胀、腹泻,每天3~4次,为不含黏液、脓血的软便,无里急后重感,间断有便秘。该患者最有可能的诊断是()
A.
肠结核
B.
克罗恩病
C.
溃疡性结肠炎
D.
结核性腹膜炎
E.
痢疾
【单选题】患者,女性,30岁。既往有肺结核病史。近一年来出现右下腹隐痛,伴有腹胀、腹泻,每天3~4次,为不含黏液、脓血的软便,无里急后重感,间断有便秘。产生该疾病最主要的原因是()
A.
慢性血行感染
B.
吞咽含结核菌的痰液
C.
肠道功能紊乱
D.
未注意隔离措施
E.
腹腔内结核病灶直接蔓延
【简答题】呼吸困难最主要的护理诊断是
【单选题】不锈钢测疲劳极限时,应力循环周次应为( )次。
A.
1015
B.
1016
C.
1013
D.
108
【单选题】I didn’t go to the movie because I it before.
A.
see
B.
have seen
C.
saw
D.
had seen
【单选题】女,26岁,2天来发热伴腹痛、腹泻,每日20余次,初为稀便,后为黏液脓血便,伴里急后重,粪便常规检查WBC20~30个/HP,RBC5~10个/HP该病例用抗生素治疗3天,症状好转即停药,有可能产生什么后果()
A.
病情加重,出现肠穿孔
B.
发生肠出血
C.
转为慢性菌痢
D.
发生癌变
E.
合并败血症
【单选题】His father likes keeping dogs and .
A.
his mother likes so
B.
so his mother
C.
so his mother does
D.
so does his mother
【单选题】—His father likes going hiking. —________. [     ]
A.
So is his mother
B.
So his mother is
C.
So does his mother
D.
So his mother does
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