J E Nnagbo, G O Ugwu, M I Eze, P U Agu, C L Nnagbo, P C Udealor, E C Ezugwu, E O Ugwu, I U Nwagha, H U Ezegwui
Incidence, Determinants, and Outcomes of Spontaneous Preterm Birth at Tertiary Hospitals in Enugu, Southeast, Nigeria: A Cross-Sectional Study
Nigerian journal of clinical practice
number sense development tracked beginning kindergarten middle first grade six time points children n 277 assessed general math achievement end first grade number sense performance kindergarten well number sense growth accounted 66 percent variance firstgrade math achievement background characteristics income status gender age reading ability add explanatory variance growth number sense even beginning kindergarten number sense highly correlated end firstgrade math achievement r 070 clarifying observed slope effect general growth mixture modeling showed children started kindergarten low number sense made moderate gains middle kindergarten higher firstgrade math achievement children started similarly low number sense flat growth majority children lowflat growth class lowincome families findings indicate screening early number sense development useful identifying children face later math difficulties disabilities