【单选题】【消耗次数：1】
既有实验组又有控制组或对照组的试点方法是（）。
①
平行实验
②
连续实验
③
单盲实验
④
双盲实验
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【判断题】
事前事后对比实验方法的优点是实验组与控制组在同一时间内进行现场销售对比，不需要按时间顺序分为事前事后，这样可以排除由于实验时间不同而可能出现的外来变数影响。
①
正确
②
错误
【单选题】
按实验控制程度，教育实验可以分为
①
前实验、准实验和真实验
②
确认性实验、探索性实验和验证性实验
③
因素型实验、反应型实验和函数型实验
④
单组实验、等组实验和轮组实验
【单选题】
下列对比实验中，（ ）是最简便的一种实验调查法的实验设计。
①
单一实验组前后对比实验
②
实验组与对照组对比实验
③
实验组与对照组前后对比实验
④
双实验组前后对比实验
【单选题】
实验性研究中采用双盲法的主要目的是
①
使实验组和对照组人口学特征更具有可比性
②
减少抽样误差的影响
③
使实验组和对照组不知道实验目的
④
消除研究者和研究对象对结果的主观影响
随机题目
【单选题】
James Montgomery is famous for his army ____ posters of World Wars I and II.
①
recruited
②
recruiting
③
recruit
④
recrutation
【单选题】
His parents did not approve of his plan to go and study abroad with a girl they had never met, but he ____ and married her.
①
went against
②
went for
③
went for nothing
④
went ahead
【单选题】
They ____ that the aging population is adding 1 per cent yearly to health service costs.
①
add
②
calculate
③
add to
④
calculate on
【单选题】
In Africa, educational costs are very low for those who are ____ enough to get into universities.
①
ambitious
②
fortunate
③
aggressive
④
substantial
【单选题】
There were some ____ flowers on the table.
①
artificial
②
unnatural
③
false
④
unreal
【单选题】
This is the nurse who ____ to me when I was ill in hospital.
①
accompanied
②
attended
③
entertained
④
shielded
【单选题】
、Although he had looked through all the reference material on the subject, he still found it hard to understand this point and her explanation only ____ to his confusion.
①
extended
②
amounted
③
added
④
turned
【单选题】
Because women often ____ their diet to control weight, they may not consume enough iron-rich food, and are liable to experience a deficiency.
①
restrict
②
strict
③
stuck
④
construct
【单选题】
He was such a ____ speaker that he held our attention every minute of the three-hour lecture.
①
specific
②
dynamic
③
heroic
④
diplomatic