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. Author manuscript; available in PMC: 2014 Sep 20.
Published in final edited form as: Am J Manag Care. 2012 Oct 1;18(10):e378–e391.

Table 4.

Means and Standard Deviations for physician goal commitment over five study periods, by study arm.

Study Arm
Study Period Control Combined Incentive Group Incentive Individual Incentive
Mean SD N Mean SD N Mean SD N Mean SD N
1 2.81 .36 3 3.06 .71 23 2.95 .48 15 2.83 .35 10
2 2.57 . 1 2.63 .55 16 2.78 .33 15 3.18 .24 4
3 2.86 . 1 2.80 .63 19 2.75 .61 16 2.88 .35 6
4 2.29 . 1 2.75 .68 16 2.85 .39 16 2.76 .26 7
5 2.29 . 1 2.87 .62 17 2.76 .33 13 2.71 .34 7