Prepare a 350 to 700 word summary of correlation as a measure of association, comprisng the given topics:
a) Explain the correlation as a measure of association.
b) Explain the various methods of establishing correlation between variables and give an illustration for each.
c) Descr ibe the merits and demerits of each method and where each must be applied.
d) Give particular circumstances and illustrations in which a researcher mught want to establish correlation.
Format your paper consistent with the APA guidelines.