__________ is the most common vision problem in middle childhood

A ______ is a medical doctor with four years of medical training and three years of residency training (spent mostly in supervised clinical practice)

a. psychologist b. psychoanalyst c. psychiatrist d. psychiatric social worker

When a researcher calculates the amount of variability in the DV scores that is due to individual

differences, measurement errors, and/or extraneous variables, for a one-way ANOVA, the researcher is calculating the A) DV sum of squares B) mean square C) error sum of squares D) treatment sum of squares