Sentences with phrase «introduced measurement errors»

Moreover, the use of dietary questionnaires and self - reported weight measurement may have introduced measurement errors into this study and, although the researchers accounted for some key lifestyle factors that are likely to affect weight, individuals who increased their fruit and vegetable intake and lost weight may have shared other unknown characteristics that were actually responsible for their weight loss.

These findings may not be generalizable — nearly all the participants were well - educated white adults, and the use of dietary questionnaires and self - reported weight measurement may have introduced measurement errors.

Not exact matches

It is certain that they made plenty of mistakes, introducing a large degree of random error into the measurements.

In general, measurement error tends to decrease the ability to detect an effect that is in fact present and therefore introduces a conservative bias.39