Researcher Roger Sperry won a nobel prize for his research on epilepsy. Sperry cut through the __________ which joins the two hemispheres of the brain

On a newly developed IQ test, an individual

scores at the 110 level on the first half of the test, and 150 on the second half of the test. What does this test appear to lack? a) reliability b) standardization c) predictive validity d) appropriate norms

According to Harter's scale of self-worth development, the period of life when the ability to make more distinctions becomes apparent and when global self-worth becomes a function of perceived self-worth in personally important areas is

A. college age B. adolescence C. mid-to late childhood D. early childhood