SPCE 630 Final Exam prep Questions and Answers | Latest UpdateSPCE 630 Final Exam prep Questions and Answers | Latest Update
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Course
SPCE 630
Institution
SPCE 630
visual analysis of graphed data
is the cornerstone of and most frequently used data analysis method in
SCD research, particularly for determining whether a study demonstrates
experimental control.
involves systematic procedures used to evaluate specific characteristics of
data patterns an...
over time. three characteristics can be described: trend directions, trend
magnitude, and trend stability.
trend direction
✓ referred to as accelerating, decelerating, or zero celebrating. trend can
further be characterized by magnitude, and is often described as steep or
gradual and paired with direction. also describe whether the direction of
a trend is improving (therapeu tic) or deteriorating (contra-therapeutic).
contra therapeutic trend
✓ represents a common data pattern in SCD data that might occur within a
condition and particularly prior to the introduction of the independent
variable. this refers to trends that ar e in the opposite direction of the
hypothesized direction of improvement and can establish need for the
intervention.
variability
✓ fluctuation from one data point to the next and is the opposite of
stability; in data with no trend, this can be summariz ed as the range of
data values within a condition or as the percentage of data points falling
within a given stability envelope
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