3. values correlation analysis Flashcards
RECAP on correlation
investigate relation
strenth and direction
non-experimental
no caustion
types of correlation (6)
strong positive, weak positive, strong negative, weak negative, moderate neagtive and no correlation
strength means
scores on 2 var continously paired
strength can be seen by scattergraph
split into four (quadrats) look at diagnally
shows below mean and above mean
what is correlaton coeffiecnt
describes relation statsicallu
direction=
pos or neg
strength
strong, positive or weak
pearsons correlation
ranges -1 and 1
1 positive
0 no relation
-1 neg
peaersons r correlation is used when.
paramentric
pearsons r measures
r=.67
spearman rho correlation r=
also .67
pearsons r correlation
1- to 1
.7-.9=highly correlated
.4-.6 moderate
0 to .3 (-3)weak
cohens
if find positive
.1 small
.3 med
.5 large
small=.10-.29
medium-.30-49
large.50-1