And there may be a lot of validity to that theory.

A woman's sense of validity should lie in her feelings about herself.

Aspects of study design and validity are presented in Table 2.

Your name would add a lot of validity to what I'm trying to do.

Perhaps I could make one brief comment on the period of validity.

The period of validity may vary from just seconds to days or even weeks.

Two species have been named, but they are of doubtful validity.

This scale showed a high level of reliability and validity.

But see Mathematical details, below, for an analysis of its validity.

I agree with your views on students' use of information/data, its value, reliability and validity.