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Vocabulary
chapters 1, 2, y 3
45
Psychology
Undergraduate 1
02/25/2011

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Term
naturalistic observation
Definition
careful examination of what happens under more or less natural conditions
Term
Psychology
Definition
the systematic study of behavior and experience.
Term
Determinisim
Definition
everything that happens has a cause(determinant), that you can observe or
measur
Term
Free will
Definition
behavior is caused by a persons’ independent decisions.
Term
Falsifiable
Definition
-theory stated in such clear, precise terms taht we can see what evidence would
count against it. ‘
Term
Dualism-
Definition
the mind is separate from the body.
Term
Burden of proof
Definition
obligation to present evidence to support one’s claim
Term
Hypothesis
Definition
clear predicted statement
Term
Replicable results
Definition
anyone can contain, at least approximatelyl by following the same
procedures
Term
Meta anaylsis
Definition
combines the results of many studies and analysis them as though they were all
one very large study.
Term
Parsimony
Definition
when given a choice among explanations that seem to fit the facts, we prefer the
one whose assumptions are fewer, simpler, or move consistent , with other well established
theories
Term
Operational definition
Definition
definition that operations or procedures used to poduce or measure
something.
Term
Population
Definition
entire group of individuals to be considered.
Term
Convenience sample
Definition
a group chosen because of it’s ease of study.
Term
Representative sample
Definition
to study behaviors form one group or another, we need a broader
sample of people. A rep sample, closely resembles the population in it’s percentage of males
and females, blacks and whites, young and old and so on
Term
Random sample
Definition
every individual in the population has a chance of being selected
Term
Cross cultural samples
Definition
groups of people from at least 2 cultures.
Term
Experimentor Bias
Definition
personal views on something while experimenting. ‘
Term
Blind observer
Definition
an observer who records data withougt knowing the researchers predictnions.
Term
Placebo
Definition
pill with no known effects does it anyway .
Term
Single blind study
Definition
either the observer or the participants are unaware of which participants
received treatmen
Term
Double blind study-
Definition
both observer and participants unaware.
Term
Demand characteristics
Definition
cues that tell participants what is expected of them and what the
experimenter hopes to find.
Term
Case history
Definition
thorough description of the person, including abilities and disabilities, medical
condition, history, unusual experiences and whatever else seems relevant.
Term
Survey
Definition
study of the prevelance of certain beliefs, attitudes, or behaviors based on ppls
responses and actions.
Term
Correlation
Definition
measure of the relationship between 2 variables(variable is anything measureable)
eg, age, years of edu, reading speed.
Term
Correlation Coefficient
Definition
used to measure strength of correlation, a mathematical estimate of the
relationship between two variables. A coefficient can range from +1 to -1.
Term
Scatter plots
Definition
represents a given individual , with one measurement for that individual on the x
axis and another measurement on the Y axis.
Term
Illusory correlation
Definition
an apparent relationship based on casual observatoins of unrelated or
weakly related events.
Term
Experiment
Definition
study in which the investigator manipulates at least one variable whole measureing
at least one other variable.
Term
Independent variable
Definition
item that the experimenter changes or controls.
Term
Experimental group
Definition
receives the treatment that an experiment is designed to test.
Term
Control group
Definition
a set of individuals treated in the same way as the experimental group except for
the procedure that the experimenter is designed to test.
Term
Random assignment
Definition
experimenter uses a chance procedure, suchy as drawing names out of
a hat, to make sure that every participant has the same probability as any other participant of
being assigned to a given group.
Term
Informed consent
Definition
statement that they have been told what to expect and that they agree to
continue.
Term
Normal distribution
Definition
a symmetrical frequency of scores clustered around a mean.
Term
Mean-
Definition
sum of all the scores divided by the total number of scores. average.
Term
Median
Definition
we arrange scores in order from highest to lowest.
Term
Mode
Definition
the score that occurs most frequently.
Term
Range-
Definition
statement of the highest
Term
Standard deviation
Definition
measurement of the amount of variation among sources in a normal
distribution.
Term
Inferential statistics
Definition
statements about a large population based on an inference from a small
sample.
Term
P=probability- p<.5= probability that randomly generated results would resemble the observed
results is less then 5%.
Definition
dsf
Term
Statistically or statically reliable
Definition
unlikely to have risen by chance.
Term
95% confidence interval-
Definition
range within which the true population mean lies, with 95% certainty.
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