Participation in the hyperinsulinaemic-euglycaemic clamp experiment is optional, to prevent participants to refrain from participation in our study.
The F.C.C.'s anticollusion rules will prevent participants from discussing their strategy after bidding begins.
Screening questions were phrased to prevent participants from guessing which demographic groups we were recruiting.
These three points were carefully chosen to prevent participants from focusing on minutiae.
The two gratings also differed in spatial phase and spatial frequency (see 'Stimuli'), to prevent participants from using motion cues in performing the orientation task.
At the same time, paper prototyping seemed to prevent participants to come up with new names for their card sorting categories.
Dr. Solana said the prohibition was intended to prevent participants in the research, both at the university or at other companies, from using the relationship with Philip Morris to promote themselves.
Yet, many drug courts and most residential treatment programs in the United States prevent participants from using these medications; and the rehabilitation programs that do offer them rarely offer all three options.
Records show that the gallery's health and safety officer ordered a series of measures to reduce risks associated with the installation, such as installing stop blocks to prevent participants getting their feet trapped on see-saws and restricting moving cylinders with sandbags.
It's a bit like the N.Y.P.D.'s Cash for Guns Program, which, by paying people a hundred dollars for guns they turn in, helps get guns off the streets and, potentially, reduce the violence that comes with them, but does nothing to limit the market for guns, or to prevent participants from buying another one.
Use of random permuted blocks ensures balance during assignment and helps to prevent participants from guessing which condition they have been assigned to (Beller et al. 2002).
