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ruoqiu.xiao鐵蟲 (小有名氣)
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[求助]
求高手幫忙看一段英文,涉及到數(shù)據(jù)分析問題,如能給出說得通的全文翻譯另有50BB相贈
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前文是實驗設(shè)計,接下來是數(shù)據(jù)分析部分,死活看不懂了,求高人幫忙解答,能給出大概意思也好,如能給出說得通的全文翻譯另有50BB相贈,決不食言。 Analyses for most of the studies described in this section should be fairly straightforward. For instance, repeated measures of analyses of variance could be used to identify significant main effects associated with the various types of products or stimuli used, and product X repeated measures interactions could be used to determine if products differ in their patterns of change over repeated exposures. Moreover, analyses could be conducted with repeated exposures within sessions crossed with days (or sessions) in order to examine if changes within sessions vary as a function of number of days of exposure or some feature of days (e.g., amount of deprivation preceding a day). Instead of analysis of variance, growth curve modeling (e.g., via hierarchical linear modeling) could be used to estimate intercepts and trajectories and to model days as second-level variables. Appropriate covariates might include gender, starting CO or nicotine level, and dependence. In addition, interaction terms could test whether effects differ significantly as a function of any special subpopulations (e.g., those high versus low in dependence). In all such analyses, the normal analytic considerations pertain such as examining and adjusting scores for distributional deviations, missingness, and autocorrelation. |

鐵桿木蟲 (正式寫手)
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這一章節(jié)里介紹的大多數(shù)研究的分析都應該是直截了當?shù)摹@缰貜蜏y量方差分析可以用來確定與各種產(chǎn)品或者激勵有關(guān)的顯著的主效應, 產(chǎn)品X重復測量相互作用分析用來確定產(chǎn)品在重復地“曝光”后其變化的模式。進而,可以在一個分析中將重復的“曝光”結(jié)合天數(shù)(或者其他分析)來確認是否分析中的變化因“曝光”天數(shù)而異,或者某些天數(shù)的特點(例如某天前不“曝光”的量)。除去方差分析,還可以用生長曲線模型(如階層線性模型)來估計截距和軌跡,同時將天數(shù)作為二級變量。合適的變量或可考慮性別、初始CO或尼古丁水平以及依賴程度。此外,相互作用項可以檢驗是否效應因任一特定子群體而有顯著變化(如高和地依賴的人群)。 在所有這類分析中,考慮到的大多是通常的,例如檢驗并調(diào)整分布偏差,或缺及自相關(guān)的得分。 exposure 在此暫時譯作“曝光”,根據(jù)上下文應該是指個體吸煙或者服用戒煙藥的行為階段,還請樓主看看業(yè)內(nèi)怎么說合適 不妥見諒 |

金蟲 (小有名氣)

鐵桿木蟲 (正式寫手)

鐵蟲 (小有名氣)

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