asked 166k views
2 votes
These are studies in which the same people are restudied and retested over a long period of time.

asked
User Mr Slim
by
8.2k points

1 Answer

1 vote
This is called longitudinal (sp?) studies.

(I do not know if I spelled it right, sorry)
answered
User Dayzza
by
7.6k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.