Sentences with phrase «reliable types of studies»

In a small, randomized, controlled study, one of the most reliable types of studies, a popular energy drink was linked with increases in blood pressure and stress hormones called catecholamines in young, healthy adults.

Not exact matches

«Usually this type of research has to be done retrospectively, and those studies are not very reliable,» added Rainer Spanagel, head of the Institute of Psychopharmacology at the University of Heidelberg.
If, for example, the studies differ with regard to the type or severity of disease, no reliable conclusions are possible anymore.
Other types of parking aids that rely on radar or ultrasonic sensors have also been studied for their ability to prevent backovers but are considered less reliable for this purpose.
8) If a testing device or other equipment is used, show that: a. the type of device used is reliable and / or accepted as dependable for such use by an appropriate body of scientific thought and by studies, experiments and field use; b. the method of operation of the device and the particular device used are of an accepted type and in good working order; c. the operator of the device was competent to use the device by training and experience; and d. that the particular test was correctly done.
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