A problem-solving strategy that tends to be very fast and require little effort, but that does not guarantee a successful solution to a problem, is a(n) ____

Multiple sclerosis is caused by

a. the immune system attacking a protein found in the myelin sheath. b. malfunctions in cell metabolism regulated by the soma. c. understimulation of the dendrites. d. overstimulation of the dendrites. e. overreactiveness of the terminal buttons.

Behavior that has been learned but not yet reinforced remains ____________ or

"hidden." a. insightful b. contiguous c. contingency-ruled d. unconditioned e. latent