Study Participant Gender Measure 1 1 Boy 2.353355137 1 2 Boy 3.214887296 1 3 Boy 3.521399882 1 4 Boy 3.629147547 1 5 Boy 4.414071233 1 6 Boy 4.70685143 1 7 Boy 5.299776155 1 8 Boy 5.781513093 1 9 Boy 6.087993739 1 10 Boy 6.101162395 1 11 Girl 1.210972983 1 12 Girl 1.955637468 1 13 Girl 2.691784095 1 14 Girl 2.852968605 1 15 Girl 2.962570206 1 16 Girl 3.028384075 1 17 Girl 3.099556136 1 18 Girl 3.202747375 1 19 Girl 3.632937319 1 20 Girl 4.766546357 2 21 Boy 4.083216916 2 22 Boy 4.106750143 2 23 Boy 4.284949918 2 24 Boy 4.285225346 2 25 Boy 4.307619811 2 26 Boy 4.496229468 2 27 Boy 4.68635285 2 28 Boy 4.747773406 2 29 Boy 4.811737373 2 30 Boy 4.886943449 2 31 Girl 1.210972983 2 32 Girl 1.955637468 2 33 Girl 2.691784095 2 34 Girl 2.852968605 2 35 Girl 2.962570206 2 36 Girl 3.028384075 2 37 Girl 3.099556136 2 38 Girl 3.202747375 2 39 Girl 3.632937319 2 40 Girl 4.766546357