The field of psychology that focuses on the integration of science and theory to prevent and treat psychological disorders is psychology.

Which of the following should a researcher consider before collecting O-data?

A) observing in naturalistic versus artificial settings B) molecular versus molar units of observation C) who the observers will be D) all of the above

What stage of prenatal development lasts two weeks and includes a period of rapid cell division, culminating with cell implantation into the female’s uterus?

a. Fertilization b. Germinal stage c. Embryonic stage d. Fetal stage