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PSYCOLOGY MIDTERM EXAM LATEST RATIONALE WITH COMPLETE SOLUTIONS.
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PSYCOLOGY MIDTERM EXAM LATEST RATIONALE WITH COMPLETE SOLUTIONS.
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PSYCOLOGY MIDTERM EXAM LATEST RATIONALE WITHCOMPLETE SOLUTIONS.
survey A technique for ascertaining the self- reported attitudes or behaviors of people, usually by
questioning a representative, random sample of them.
case study An observation technique in which one person is studied in depth in the hope of
revealing universal principles.
naturalistic observation Observing and recording behavior in naturally occurring situations
without trying to manipulate and control the situation.
correlation A statistical measure of the extent to which two factors vary together.
experiment A research method in which an investigator manipulates one or more factors to
observe the effect on some behavior or mental process.
random sample A sample that fairly represents a population because each member has an
equal chance of inclusion.
random assignment Assigning participants to experimental and control conditions by chance,
this minimizing preexisting differences between those assigned to the different groups.
placebo experimental results caused by expectations alone any effect on behavior caused
by the administration of an inert substance or condition.
independent variable the experimental factor that is manipulated the variable whose effect is
being studied.
dependent variable the experimental factor in psychology, the behavior or mental process -
that is being measured; the variable that may change in response to manipulations of the
independent variable.
operational definition A statement of the procedures used to define research variables.
reliability The extent to which a test yields consistent results, as assessed by the consistency
of scores on two halves of the test, on alternate forms of the test or ion retesting.
validity The extent to which a test measures or predicts what it is supposed to.
standardization Defining meaningful scores by comparison with the performance of a
pretested "standardization group".
Sympathetic nervous system The division of the autonomic nervous system that arouses the
body, mobilizing its energy in stressful situations.
Parasympathetic nervous system the division of the autonomic nervous system that calms the
body, conserving its energy.
James-Lange theory The theory that our experience of emotion is our awareness of our
psychological responses to emotion - arousing stimuli.
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