spearman's rho Flashcards
non parametric stat tests
level of data and type of study
ordinal data and correlation study
step 1 of spearmans rho
rank the scores for the 1st co variable, making the lowest score being 1. this is rank a
step 2 of spearmans rho
rank scores form the second co variable, making the lowest score be rank 1. this is rank b
step 3 of spearmans rho
take away the rank a from b which is aligned. for example, in a table, it would be the first ever row you are comparing, and so fourth
step 4 of spearmans rho
square each number found from the difference column
step 5 of spearmans rho
add up the squared differences for a total
formula for spearmans rho
Rs = 1 – 6(∑d2)/N(Nsquared-1)
step 6 of spearmans rho
calculate spearmans rho with the formula
step 7 of spearmans rho
check the critical value table
the calculated value should be ______ than the critical value
equal to or higher