SPEARMAN CORRELATION Flashcards
used to measure the relationship between X and Y when both variables are measured on ordinal scales
SPEARMAN CORRELATION
used when a researcher wants to measure the consistency of a relationship between X and Y, independent of the specific form of the relationship.
SPEARMAN CORRELATION
Spearman correlation the scores are first converted to _ ; then the Pearson correlation formula is used with the ranks.
ranks
_ formula measures the degree to which the ranks fit on a straight line, it also measures the degree of consistency in the relationship for the original scores
pearson formula
also measures the degree of consistency in the relationship for the original scores
pearson formula
when there is a consistently one-directional relationship between two variables, the relationship is said to be
monotonic
measures the degree of
monotonic relationship between two variables
SPEARMAN CORRELATION
an increase in Y tends to accompany an increase in X
SPEARMAN CORRELATION, not linear, there is a consistent positive relationship
X ranks and the Y ranks are really just a set
of
set of integers: 1, 2, 3, 4, . . . , n