Which relationship is scientifically more useful and by how much?

Question

A researcher finds that the correlation between variable A and variable B is r=+.20. She also finds that the correlation between variable C and variable B is r=-.40. Which relationship is scientifically more useful and by how much?

 

I can't find an example in my text or companion website that walks me through on what to do and why? Please help!

Answer 1

depend on how yu look at it

+0.2...positiv meen it support the idea yu test

-0.4 sae it disagree with the idea, but its a stronger disagree,

so it impli the opposit

Answer 2

???????????????? wot cha meen bi "+.20." ?????????????

?????? "-.40." ???????

maebee thats spozed tu be 0.2 & -0.4 ????????????

wotever, dont meen nuthun