调查内容包括研究对象选择、随机化方法、盲法、组间可比性、样本大小、依从性、统计学处理、疗效评价指标、随访和不良事件观察等。
The subject choice, randomized method, blind method, intra-group comparison, sample, compliance, statistical method, therapeutic effect assessment index, survey and side effects were observed.
事件研究法是一种统计方法，用以分析特定事件对股票市场证券价格的影响。
The event study method is a statistical method used to analyze specific events 'effects on the stock prices.
本文运用经济学分析、事件研究法、因子分析等方法研究了定向增发对股东利益、股票价格和上市公司业绩等方面的影响。
This article USES economic analysis method, event study method and factor analysis method to study directional add-issuance effect on shareholder interest, stock price and company performance.
然后介绍了绩效分析的方法，具体介绍了的事件研究法和会计研究法。
Then introduces the methods of performance analyses, describes the event study and accounting study in detail.
针对所研究的机床故障诊断专家系统，以故障树分析法为基础，采用面向对象的事件知识表示方法。
Based on fault tree analysis (FTA) theory, an object-oriented knowledge representation method in a fault diagnosis expert system for machine tools was studied.
研究方法：事件研究法和回归分析。
研究方法：事件研究法和回归分析。
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