Which technique did B. F. Skinner introduce to change a patient's unwanted behavior by positive reinforcement or punishment?

A. classical conditioning

B. operant conditioning

C. systematic desensitization

D. psychoanalysis

A driver traveling at 29 m / s sees a tree laying in the middle of the road. She brakes to full stop in 4.3 s. Calculate the driver's acceleration while stopping (deceleration). (hint: you know the final velocity)

A brightly-colored flower is probably pollinated by an insect that is attracted to that color. true or false?

The final authority for interpreting the constitution is? A. three-fourths of the states B. the the president C. the supreme court D. all the states (sorry its history : 'v)

Which description of energy changes in nuclear reactions is correct? A. Fusion absorbs energy, and its products have greater stability. B. Fission releases energy, and its products have greater stability. C.

Which of the following is true about the index of refraction? a) It is always equal to 1.00. b) It can be equal to 1.00 but it can also be less than 1.00. It is never greater than 1.00. c) It can be equal to 1.00 but it can also be greater than 1.00.

The half-life for a 100-gram sample of radioactive element X is 5 days. How much of element X remains after 10 days have passed? A. 25 g B. 100 g C. 75 g D. 50 g

During a transit, a passes in front of its parent star, temporarily decreasing the star's brightness by a small amount.

How much of each food dollar goes to the producer

What is the effect of a magnetic field on a stationary electric charge on a moving electric charge?

A ball is thrown upwards with an initial velocity of 25. o m/s, what is the velocity of the ball at 11.9 m from the ground?