描述以前使用的方法:↓
Previous studies have based their criteria for selection on ..
Recent advances in __ methods have facilitated investigation of .
Recently, simpler and more rapid tests of X have been developed.
In most recent studies, ___ has been measured in four different ways.
给出采用特定方法的原因:
The semi-structured approach was chosen because ..
The advantages of Xs are that they are simple to deliver.
The X approach has a number of attractive features: ..
For this study, the X was used to explore the subsurface ..
给出特定方法被拒绝的原因:
A major problem with the experimental method is that ..
The main disadvantage of the experimental method is that ..
However, there are certain drawbacks associated with the use of ..
However, this method clearly is not valid for analysing long-term trends in ….
描述样品的特性:
Eligible women who matched the selection criteria were identified by ..
The participants were divided into two groups based on their performance on ..
Two groups of subjects were interviewed, namely X and Y. The first group were …
The project used a convenience sample of 32 first year modern languages students.
分析这一主题的细分领域已有什么研究:
Various studies have assessed the efficacy of…
Researchers attempted to evaluate the impact of
A great deal of previous research into X has focused on ..
从时间角度看前辈的研究:
Research into X has a long history.
For many years, this phenomenon was surprisingly neglected by ..
Only in the past ten years have studies of X
directly addressed how….
从所采用的研究方法看前辈文献:
Most research on X has been carried outin …
Most researchers investigating X have utilised .
Using this approach, researchers have been able to …
点评相关领域前辈的文献的优缺点:
The literature on X has highlighted several…
Diferent theories exist in the literature regarding…
More recent attention has focused on the provision of ..
前辈的研究都得出了什么结论:
Previous research has established that…
Data from several studies suggest that …..
It is now well established from a variety of studies that …
