A. Observe and record. B. Make predictions. C. Conduct an experiment. D. Draw conclusions. 相关知识点: 试题来源: 解析 C。进行科学研究时,通过进行实验来检验假设。A 选项观察和记录是实验过程中的一部分;B 选项做出预测是在假设阶段;D 选项得出结论是实验完成后。反馈 收藏 ...
Study design and hypothesis testing: issues in the evaluation of evidence from research in nutritional epidemiology. In addressing questions about the relations of dietary factors to disease in human populations, epidemiologic studies must account for the complexity of di... JL Freudenheim - 《...
The Descent of Man, and Selection in Relation to Sex (J. Murray, 1871). Sommer, V. & Vasey, P. L. Homosexual Behaviour in Animals: An Evolutionary Perspective (Cambridge Univ. Press, 2006). Gunst, N., Vasey, P. L. & Leca, J.-B. Deer mates: a quantitative study of hetero...
2. What does the group performing hard mental work exhibit in the study?A. Fewer signs of mental fatigue.B. Greater motivation and effort.C. Higher efficiency in complex tasks.D. Stronger preference for immediate rewards.3. What do we know about glutamate accumulation?A. It causes a sense ...
Reflexivity and the development of process knowledge in social work: a classification and empirical study The relationship between knowledge and practice has been a long standing issue for social work. This is, in part, because, despite the strong intuitive app... M Sheppard,S Newstead,AD Caccavo...
百度试题 结果1 题目 12. Work will now begin to test the hypothesis in rats and this hypothetical study recruits ten research teams. (hypothetical ) 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Using a two-level structural equation model to study the determinants of reproductive behaviour in Giza Governorate The purpose of this paper was to measure the quality of concordance of one- and two-level structural equation models by testing the two following statistic... MSF Hassneen - 《Natur...
An Empirical Trial This study tests the null hypothesis that differences in law and beliefs about the law do not influence condom use in anal or vaginal sex. In this ... SC Burris,Leo Beletsky,JA Burleson,... - 《Ssrn Electronic Journal》 被引量: 147发表: 2007年 加载更多...
Two studies examined a matching hypothesis: Attitudes predict behaviors better when they both involve the same rather than different levels of attitude-relevant action activity. In Study 1, participants listed actions they might take toward gay men and immediately reported their attitudes. One to two...
A Study on Using Noticing Hypothesis to Improve Learners' Language Input in Language Learning InputNoticing hypothesisLanguage learning and teachingIn 1967,more than fifty years ago,Corder introduced the concept of"input"in the second language acquisition(SLA)research field.In 1985,Krashen introduced ...