According to Piaget, a child in the preoperational stage will be

When an excitatory signal reaches a neuron, the resting voltage of ____________ becomes ________________.

a. +60 millivolts becomes less positive b. -60 millivolts becomes more negative c. +60 millivolts becomes more positive d. -60 millivolts becomes less negative

Teachers who have a _____ put more effort into trying to reach students and communicate high expectations

A) self-fulfilling prophecy B) sense of personal efficacy C) conflict with school officials D) master's degree in education