PSYCH 260 EXAM PAPER 2 2026 CHAPTER
REVIEW QUESTIONS WITH FULL
SOLUTIONS
⩥ In some studies, subjects are not randomly assigned to conditions -
instead subjects are selected because they are already living under
certain conditions (such as alcoholism). These studies are called.
Answer: quasiexperiments
⩥ Research that is designed to bring about rapid and direct benefit to
people is referred to as _______ research. Answer: applied research
⩥ In this type of experimental design each participant is exposed to all
conditions. Answer: within-subjects design
⩥ These are an organism's observable traits. Answer: phenotype
⩥ Humans don't have the largest brains. Which species has both a larger
brain and denser neurons?. Answer: pilot whales
⩥ Cooper and Zubek found that maze bright rats made fewer errors than
maze dull rats only if both groups were reared in an ____________
environment. Answer: impoverished environment
, ⩥ _________ genes are responsible for making proteins, and
__________ genes are influenced by the environment and control other
genes. Answer: structural genes and regulator genes
⩥ This part of the nervous system is calming and acts to conserve the
body's energy ("rest and digest"). Answer: parasympathetic nervous
system
⩥ This is a thick band of axons that connects the right and left
hemisphere of the cerebral cortex. Answer: corpus callosum
⩥ In the CNS, axons are myelinated by __________. Answer:
oligodendrocytes
⩥ This is found in ventricles in the brain and spinal cord, is refreshed
every 24 hours, and cushions the brain. Answer: cerebral spinal fluid
⩥ These places on the axon are not covered in myelin. Answer: Nodes of
Ranvier
⩥ This structure runs through the center of the brainstem and contains
hundreds of nuclei. Answer: reticular formation
⩥ Clusters of neural cell bodies in the CNS are called ___________.
Answer: nuclei
REVIEW QUESTIONS WITH FULL
SOLUTIONS
⩥ In some studies, subjects are not randomly assigned to conditions -
instead subjects are selected because they are already living under
certain conditions (such as alcoholism). These studies are called.
Answer: quasiexperiments
⩥ Research that is designed to bring about rapid and direct benefit to
people is referred to as _______ research. Answer: applied research
⩥ In this type of experimental design each participant is exposed to all
conditions. Answer: within-subjects design
⩥ These are an organism's observable traits. Answer: phenotype
⩥ Humans don't have the largest brains. Which species has both a larger
brain and denser neurons?. Answer: pilot whales
⩥ Cooper and Zubek found that maze bright rats made fewer errors than
maze dull rats only if both groups were reared in an ____________
environment. Answer: impoverished environment
, ⩥ _________ genes are responsible for making proteins, and
__________ genes are influenced by the environment and control other
genes. Answer: structural genes and regulator genes
⩥ This part of the nervous system is calming and acts to conserve the
body's energy ("rest and digest"). Answer: parasympathetic nervous
system
⩥ This is a thick band of axons that connects the right and left
hemisphere of the cerebral cortex. Answer: corpus callosum
⩥ In the CNS, axons are myelinated by __________. Answer:
oligodendrocytes
⩥ This is found in ventricles in the brain and spinal cord, is refreshed
every 24 hours, and cushions the brain. Answer: cerebral spinal fluid
⩥ These places on the axon are not covered in myelin. Answer: Nodes of
Ranvier
⩥ This structure runs through the center of the brainstem and contains
hundreds of nuclei. Answer: reticular formation
⩥ Clusters of neural cell bodies in the CNS are called ___________.
Answer: nuclei
