During a heated argument with his teenage daughter, Mr. Reid suddenly lapsed into a state of REM sleep. Mr. Reid apparently suffers from:

Your friend is a science teacher and he hears that you have taken a class in developmental psychology. He asks your advice on improving his students' use of strategies for solving science problems. Which of the following suggestions is supported by research, as discussed in class?

a. discourage variable strategies, because they interfere with learning b. have children highlight and repeatedly read a science text describing different problem solving techniques c. ask children to explain both their correct and their incorrect answers d. provide challenge problems that children cannot solve without generating previously undiscovered strategies

The physical trace that is the biological basis of memory is known as a(n)

a. phoneme. b. schema. c. long-term potentiation. d. engram. e. phosgene.