What is a limitation that affects the generalizability of research results?

In a multiple hurdle approach, if an applicant fails to meet a cutoff for a selection test:

A) the applicant must be provided a retest. B) the applicant must redo all other selection tests he or she may have taken. C) the applicant is eliminated from the applicant pool. D) the applicant must earn a very high score on the next selection test to remain in the applicant pool.

What is the likely outcome for a fetus whose mother lives in a developing country and is born before the end of the second trimester? The newborn will probably _____

a. not survive b. be healthy c. have an Apgar score of at least 7 d. have a breech birth