____ is the ability to distinguish where a sound originates

Walking delayed two or more years, short stature, slow speech development, and prominent anatomical features such as close-set eyes; short, thick neck; and small, rather square head are symptoms and signs of

A. HIV-infected children B. Trisomy 21 C. Down syndrome D. HIV-infected children AND Trisomy 21 E. Trisomy 21 AND Down syndrome

The person most closely associated with research on learned helplessness is ______

a) Edward Thorndike b) Joseph Wolpe c) Martin Seligman d) Albert Bandura