“…While Ready () acknowledges the sophisticated development of measures of student growth, we still have a paucity of evidence examining the relationship between student achievement and overall achievement growth: That is, do students that achieve initial higher scores grow at a faster pace than lower‐achieving students? Therefore, sustained within‐person growth is increasingly important (Anderman et al ., ; Martin, , ; Martin & Liem, ; Mok, McInerney, Zhu, & Or, ). If we are to better understand growth for the individual student, researchers need more information on change over time, with an increased number of time points (that is more than two; Hedeker & Gibbons, ; McCoach, Madura, Rambo‐Hernandez, O'Connell, & Welsh, ; Raudenbush, ).…”