_____________ are involuntary muscle reactionsto a certain type of stimulation

Pilar is giving tips to her local school board about how to make high schools more responsive to teenagers' needs. Based on this chapter, which is NOT a recommendation she should make?

a) "Consider starting high school later in the day." b) "Institute more arts offerings and school-based service-learning classes." c) "Provide more hands-on work that allows teens to think independently." d) "Offer more discipline."

If we are comparing the adrenaline scores of children who live near an airport with those who live away from an airport, the dependent variable is

a. location. b. adrenaline. c. stress. d. distance from the airport.