What is the purpose of an experiment? What is a single blind experiment? What is the most difficult part of a controlled experiment? What do most experiments test? What are limitations in an experiment? What is an experiment in which all factors are identical except the one being tested?
time and the child is an improvement on the printed text so much the better. A charge made against fairy tales is that they harm the child by frightening him or making him sad thinking. To prove the latter one would have to show in a controlled experiment that children who have read ...
解析 A。in a controlled environment 是固定短语“在一个受控的环境中”。on 和 at 不能与 controlled environment 构成正确的固定短语;with 不符合语境。结果一 题目 The experiment was conducted ___ a controlled environment. A. in B. on C. at D. by 答案 A。“in a controlled environment”表示...
1We must ( ) that the experiment is controlled asrigidly as possible.A.assure.B.secure.C ensure D issue 22. We musttC_ tha the experimentis controlled as rigidly as possible. A. assureB. secureC. ensureD. issue 3 We must ( ) that the experiment is controlled as rigidly as possibl...
Melzer's contains water, iodine, and potassium iodide, all of which are fairly easy to get hold of—but it also contains chloral hydrate, which is a controlled substance. Thus, you won't be able to buy it easily. Virtually your only option is to beg it from a professional mycologist....
Controlled experiments have disadvantages when it comes toexternal validity—the extent to which your results can be generalized to broad populations and settings. The more controlled your experiment is, the less it resembles real world contexts. That makes it harder to apply your findings outside ...
“My life was just out of control, but baking is such a controlled thing, where if you take the right steps and follow the directions, you’ll get a pretty exact result,” she said. Deegan started bringing her homemade baked cookies to people’s homes, which helped her reconnect with...
百度试题 结果1 题目The article mentioned that the experiment was conducted ___ a controlled environment. A. in B. on C. at D. with 相关知识点: 试题来源: 解析 A。解析:“in a... environment”表示“在……环境中”。反馈 收藏
The scientist proposed that the experiment ___ in a more controlled environment, but his colleagues thought it was too costly. A. be carried out B. was carried out C. would be carried out D. had been carried out 相关知识点: 试题来源...
The controlled experiment was begun in November, 1922, and will continue till May, 1923. It will use both Latin and non-Latin pupils from grades in which Latin instruction is begun. In some of the schools, Latin is begun in the seventh grade and in others in the ninth grade. Five ...