JCJC Stephanie Green General Psychology –
Midterm EXAM | questions and Answers | Verified
and of the Latest update
correlational coefficient - 3 types - ✔✔positive correlation, negative correlation, zero
correlation
positive correlation - ✔✔when one variable increases, so does the other
negative correlation - ✔✔when one variable increases, the other decreases
zero correlation - ✔✔When there is no relationship between the co-variables.
dependent variable - ✔✔the measureable outcome of an experiment; the effect
independent variable - ✔✔the suspected cause in an experiment
naturalistic observation - ✔✔observing and recording behavior in naturally occurring
situations without trying to manipulate and control the situation
Hypothesis - ✔✔An educated guess
Experimental Method: list 2 groups - ✔✔Control group, experimental group
Control group - ✔✔the group that remains the same or gets placebo
, experimental group- - ✔✔group that gets the treatment or experiences some change
survey - ✔✔asking questions from a random sample of the population
Serotonin - ✔✔important chemical and neurotransmitter. believed to help regulate
mood and social behavior, appetite, digestion, sleep, memory, and sexual function.
dopamine - ✔✔a neurotransmitter that regulates motor behavior, motivation,
pleasure, and emotional arousal
Endorphins - ✔✔chemicals that act within the pain pathways and emotion centers of
the brain
The nervous system: 2 parts - ✔✔central nervous system and peripheral nervous
system
CNS (central nervous system) - ✔✔the part of the nervous system that includes the
brain and spinal cord
peripheral nervous system - ✔✔the sensory and motor neurons that connect the CNS
to the rest of the body
corpus callosum - ✔✔the large band of neural fibers connecting the two brain
hemispheres and carrying messages between them
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