Unit 0
What is the term for the score that is the middle score in a distribution? 1/2 are above it, 1/2 are below it.
Median
What is the bundle of neurons that connects the two cerebral hemispheres that relays information between them?
Corpus Callosum
Jade is unable to create new memories but she is able to remember who she is and her childhood. What does Jade have?
Anterograde Amnesia
According to Piaget, people are first able to reason abstractly and think hypothetically during the _________________ stage.
formal operational
After the pep rally, the students in the school had even more school spirit. What does this show?
Group polarization
This research method uses statistics to combine the results of several studies on one topic.
meta-analysis
What are electrical impulses that travel from one neuron to another across a tiny gap known as a synapse?
action potential
What is the concept that we forget 50% of new information after 1 hour and 70% after 24 hours.
Ebbinghaus Forgetting Curve
In which of Piaget's stages do children gain object permanence and stranger anxiety? (0-2 years old)
Sensorimotor Stage
What is an unjustifiable and usually negative attitude towards a group and it's members?
Prejudice
P value is to ________ _________ as r value is to ___________ ____________.
statistical significance; correlation coefficient
A picture of a cat is briefly flashed in the left visual field and a picture of a mouse is briefly flashed in the right visual field of a split-brain patient. The individual will be able to use which hand to indicate she saw a cat?
Left Hand
In sensory memory _________ memory is to vision as __________ memory is to hearing.
iconic; echoic
Mason, a stockbroker, runs two miles every day because it reduces his level of stress. Mason's running habit is maintained through ___________ reinforcement
negative
The fact that group members desire peace and harmony underlies what concept?
Groupthink
Draw a positive skew
answers may vary
Which neurotransmitter plays a role in the body's "fight or flight" response and helps regulate attention, arousal, and mood?
Norepinephrine
When looking at a close-up object, your eyes angle inwards towards each other (you become slightly cross-eyed) Which binocular cue is this?
Convergence
Studying to be prepared for unexpected quizzes is reinforced on what schedule of operant conditioning
variable interval
People who first agree to a small request are more likely to agree to a larger request later
Foot-in-the-door-phenomenon
What part of an experiment helps control for confounding variables?
random assignment
_________ neurons carry information from the body's tissues to the CNS for processing. ______neurons in the CNS process the information and send signals to muscles via ________ neurons
sensory;inter;motor
The average ACT scores in 2010 were lower than the average ACT scores in 2025. What does this demonstrate?
Flynn Effect
In Pavlov's experiments on dogs, what was the unconditioned stimulus? (US)
Food in the dog's mouth
Sue's personal life is a mess, so she channels her energy into her work. She excels in her professional life. Which defense mechanism does she exhibit?
Sublimation