From: Selective measurement of α smooth muscle actin: why β-actin can not be used as a housekeeping gene when tissue fibrosis occurs
Size of correlation coefficient
Interpretation
0.9 ≤ r ≤ 1
Very high positive correlation
0.7 ≤ r ≤ 0.9
High positive correlation
0.5 ≤ r ≤ 0.7
Moderate positive correlation
0.3 ≤ r ≤ 0.5
Low positive correlation
0 ≤ r ≤ 0.3
Negligible correlation