Which of the following college students is the most likely to show improvements in propositional thought?

When a neuron is polarized, ______

a. both positive and negative ions are concentrated outside the neural membrane b. positive ions are concentrated outside the neural membrane while negative ions are concentrated inside the membrane c. negative ions are concentrated outside the neural membrane while positive ions are concentrated inside the membrane d. both positive and negative ions are concentrated inside the neural membrane

Select the statement about heredity and intelligence that is INCORRECT

a. IQ scores are usually more alike for fraternal twins than for identical twins. b. Biological siblings tend to be more alike in intelligence than a child and an adopted sibling. c. Verbal and spatial abilities are more influenced by heredity than are memory skills. d. Children's IQ scores show distinctive patterns of spurts and lags that appear to be genetically influenced.