Dr. Sums developed a test of mathematical ability. To measure __________, he split the test in two and compared children's responses on both halves

Sarah, a graduate student in psychology, just heard about a five-year-old child who has already learned calculus

She is thinking about doing an in-depth study of the child for her dissertation because such early-life math skill is so rare. Sarah is considering which research method? A) Naturalistic observation B) Experiment C) Independent study D) Case study

Which of the following is true about interneurons?

a. Interneurons form simple circuits in the brain. b. There are 200,000 of them for every motor neuron. c. They are only found in the peripheral nervous system. d. They are not found in the brain and spinal cord. e. They relay messages between nerve cells.