TY - JOUR
AU1 - Nagin, Daniel S.
AB - A developmental trajectory describes the course of a behavior over age ortime. A group-based method for identifying distinctive groupsof individual trajectories within the population and for profiling thecharacteristics of group members is demonstrated. Such clusters mightinclude groups of “increasers,” “decreasers,”and “no changers.” Suitably defined probabilitydistributions are used to handle 3 data types—count, binary, and psychometric scale data. Four capabilities aredemonstrated: (a) the capability to identify rather thanassume distinctive groups of trajectories, (b) the capabilityto estimate the proportion of the population following each such trajectorygroup, (c) the capability to relate group membershipprobability to individual characteristics and circumstances, and(d) the capability to use the group membership probabilities forvarious other purposes such as creating profiles of groupmembers.
TI - Analyzing Developmental Trajectories: A Semiparametric, Group-Based Approach
JF - Psychological Methods
DO - 10.1037/1082-989X.4.2.139
DA - 1999-06-01
UR - https://www.deepdyve.com/lp/american-psychological-association/analyzing-developmental-trajectories-a-semiparametric-group-based-9DjBXuCcSB
SP - 139
EP - 157
VL - 4
IS - 2
DP - DeepDyve
ER -