Mrs. Green is working with Julia, a very shy and non-communicative first grader. Every time Julia gives any sort of response in a class activity, Mrs. Green praises her liberally. Of the following, the best description of Mrs. Green's technique would be called:
a. negative reinforcement.
b. continuous reinforcement.
c. variable-ratio reinforcement.
d. variable-interval reinforcement.
Question 2
Of the following, which is the best description of students with attention- deficit/hyperactivity disorder (ADHD)?
a. Students who display serious and persistent age-inappropriate behaviors that result in social conflict and personal unhappiness
b. Students who are impulsive, have difficulties maintaining attention, and have an inordinate need for supervision
c. Students who have significant limitations both in intellectual functioning and in adaptive behavior
d. Students who have difficulty with reading, writing, reasoning, listening, or math
Applying a time strip to the IV container.
Julie Green, The Last Supper.
Radiation Side Effects, Healing Time, and Intervention
Electrophoresis gel in a densitometer. (a) The green light from the slit light source is visible ...
Physics: Power, Energy and Time
The Geologic Time Scale