The cutting assembly includes a(n) ________, which clamps the tissue against the staple cartridge

When comparing and contrasting between a retrospective and prospective study, which of the following is a TRUE statement?

A) Prospective studies are generally less expensive than retrospective methodologies. B) There is more chance for the introduction of bias in the data gathering for prospective studies. C) Prospective studies have greater validity than retrospective studies. D) Retrospective studies use a research form or instrument specifically designed for the study.

__________ involves performing activities in a test or other non-real-time environment to determine an estimate of time to complete the activities.?

Fill in the blank(s) with correct word