Some studies will employ multiple coders working independently on the same data.
These two studies will employ documentary, intensive interview and oral history techniques.
In fact, early studies of arc stabilization employed a water-vortex.
Unlike previously mentioned scales, this study employed a "composite" scoring approach.
However, this would be premature, since the two studies have employed markedly different experimental systems to observe similar phenomena.
The present study employed a comprehensive search strategy.
Subsequent studies employing different attention manipulations found similar results, providing further support for the link between the N1 and attention.
If the conclusions from empirical studies employing different measures of return were the same, the definition of returns would not be an important issue.
Other studies guided by a similar spirit of fidelity have employed the verbatim method and produced more coherence.
This study employed confederates who asked for donations door-to-door.