if you want to train your dog to do a complicated trick, like rolling over and playing dead, the best operant conditioning technique you could use would be

What is the function of the organelle labeled a in the diagram?

What are the main functions of the human skeleton? a exchange of gases b support and movement c sensing the environment d digestion and excretion

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.