DSM stands for the . A. Diagnostic Standards for Mental Disorders B. Diagnostic and Statistical Manual of Mental Disorders C. Directory of Scientific Members D. Directory of Standard Mental Disorders Please select the best answer from the choices provided A B C D

Facial shaving brushes are either bulb-shaped or fan-shaped. an experiment is to be conducted to determine whether the lather thickness is the same for both types of shaving brushes. in previous studies, it was determined that shaving brush size (small, medium, large) is associated with lather thickness, but shaving brush type (wolf whiskers, maggard razors, frank shaving, and so on) is not associated with lather thickness. how could the experiment best be conducted? by blocking on shaving brush size by blocking on shaving brush type by blocking on shaving brush shape by blocking on lather thickness without blocking

I’m so stuck on this question i’ll give anybody brainliest and free points for the correct give the most space to a. the largest vehicle b. the fastest road user c. a potential drunk driver d. the biggest hazard

Why is it essential to operationally define the variables in a study?