rownames,Study,nA,meanA,sdA,nB,meanB,sdB
1,1,134,5.96,4.24,113,4.72,4.72
2,2,175,4.74,4.64,151,5.07,5.38
3,3,137,2.04,2.59,140,2.51,3.22
4,4,184,2.7,2.32,179,3.2,2.46
5,5,174,6.09,4.86,169,5.81,5.14
6,6,754,4.72,5.33,736,4.76,5.29
7,7,209,10.1,8.1,209,10.9,7.9
8,8,1151,2.82,3.05,1122,3.01,3.32
9,9,679,3.88,4.85,673,4.37,5.37