Psychology 100 Questions And Correct
Answers Latest Version
Perspectives of Psychology ANS✔✔ Evolutionary: focuses on keeping species
alive, influences food preferences
Biological: stomach contractions (pang) sends signals to the brain making us
aware of our hunger
Biological and Cross- Cultural: body chemistry and environmental factors
influence when we are hunger and what we are hunger
Psychodynamic: Freudian (childhood), behaviors derive from internal
conflicts, motives, and unconscious forces
Humanistic: emphasis on person as whole
Positive: scientific study of strengths of an individual and communitites
Biopsychosocial approach ANS✔✔ an integrated approach that incorporates
biological, psychological and social cultural levels of analysis
Scientific method ANS✔✔ a self correcting process for evaluating ideas with
observation and analysis
The Central Tendencies ANS✔✔ mean, median, and mode are the three
measures of this that are used to describe what is normal for a set of data
Variability ANS✔✔ liability to vary or change
Standard Deviation ANS✔✔ a quantity calculated to indicate the extent of
deviation for a group as a whole
,Random Sample ANS✔✔ taking random people/things out of a group
Correlation ANS✔✔ mutual relationships, connection between two or more
variables
Case Study ANS✔✔ a descriptive technique in which one individual or group
is studied in depth in the hope of revealing universal principles
Experimental Research ANS✔✔ a research method in which an investigator
manipulates one or more factors to observe the effect on some behavior or
mental process
Naturalistic Observation ANS✔✔ a descriptive technique of observing and
recording behavior in naturally occurring situations without trying to
manipulate and control the situation
Hypothesis ANS✔✔ a testable prediction, often implied by a theory
Theory ANS✔✔ an explanation using an integrated set of principles that
organizes observations and predicts behaviors or events
Independent Variable ANS✔✔ in an experiment, the factor that is
manipulated; the variable whose effect is being studied
Dependent Variable ANS✔✔ in an experiment, the outcome that is
measured; the variable that may change when the independent variable is
manipulated
,Population ANS✔✔ all those in a group being studied, from which samples
may be drawn
Samples ANS✔✔ a small part or quantity intended to show what the whole is
like
Generalizability (Research) ANS✔✔ whatever happens in sample is what
would happen with all population, allows us to determine trends and pattern
behaviors, ways of thinking, learning
Hindsight Bias ANS✔✔ the tendency to believe, after learning an outcome,
that one would have foreseen it
Overconfidence ANS✔✔ we humans tend to think we know more than we do
Operational Definitions ANS✔✔ a carefully worded statement of the exact
procedures used in a research study
Neurotransmitters ANS✔✔ Serotonin: affects mood, hunger, sleep and
arousal
Dopamine: influences movement, learning, attention, and emotion
Norepinephrine: helps control alertness and arousal
Pituitary Gland ANS✔✔ influences hormonal releases by other glands
Endocrine System ANS✔✔ the body's "slow" chemical communication
system; a set of glands that secrete hormones into the bloodstream
, Hormones ANS✔✔ chemical messengers that are manufactured by the
endocrine glands, travel through the bloodstream, and affect other tissues
Endorphins ANS✔✔ neurotransmitters that influence the perception of pain
or pleasure
All-or-None Principle ANS✔✔ neurons fire with the same intensity each time
Parts of Neuron ANS✔✔ Synapse: the junction between the axon tip of the
sending neuron and the dendrite or cell body of the receiving neuron
Dendrites: receives message from other cells
Axon: passes messages away from the cell body to other neurons, muscles,
or glands
Axon Terminal:
Vesicles:
Pre/Post Synaptic:
Neuron:
Reuptake ANS✔✔ a neurotransmitters re absorption by the sending neuron
Diffusion ANS✔✔ go out and diffuse
Degradation ANS✔✔ come in and break an enzyme
Central Nervous System ANS✔✔ consists of the brain and the spinal cord
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