Five-year-old trevor refuses to communicate with anyone. to get him to speak, his teacher first gives him candy for any sound, then only for a clearly spoken word, and finally only for a complete sentence. in terms of behavioral theory, the teacher is using the method of
a. secondary reinforcement
b. delayed reinforcement
c. spontaneous recovery
d. shaping

Match these milestones in communication history with their correct dates. 1. telegraph 2. telephone 3. radio 4. computer 5. television 6. computer networking 7. internet

At 3476 kilometer the moon's diameter is slightly less than the distance across from what

Around the third week of a college class, a professor decides she’s had enough, is tired of dealing with bureaucracies, and wants out. so one day, instead of coming to class, she flies to tahiti and sells souvenirs on the beach. if this happened, the college would simply assign a substitute to finish the course. what does this tell you about the nature of the authority wielded by a professor?