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Displaying Data
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There are 2 branches of statistics
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Descriptive – to summarize data
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Inferential – to draw conclusions and make
inferences about situations or people other
than those on which the data are based.
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View Full Document Basic Concepts
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Variable – a condition or characteristic that
can have different values (that can vary)
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Value – a number or category which a
variable may take on
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Score – a particular individual’s value on a
variable
Levels of measurement
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Numeric (quantitative) variables may be
either equalinterval (interval) or rankorder
(ordinal).
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Nominal (qualitative) variables are
categorical in nature. They simply name.
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Distinguishing these types of variables will
be essential to your ability to use SPSS for
data analyses.
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View Full Document Example
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Number of children in a family is a numeric
variable.
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The values can range from 0 to X (the
highest number of children possible). They
are meaningful and ordered.
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John’s family has a score of 4. There are 4
children in his family.
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Type of neighborhood (urban or country) is
a nominal variable.
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The values we use to specify neighborhood
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This note was uploaded on 10/12/2008 for the course PSY 385 taught by Professor Mannes during the Fall '08 term at Widener.
 Fall '08
 MANNES

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