mechanisms

eric.ed.gov har udgivet: In intervention research, it is critical to determine not just if an intervention is effective, but for whom it is effective and “under what circumstances” those effects occur. Moderators can be the key to answering those questions. A moderator is a variable that affects either the direction or the strength of the relationship between the predictor (curriculum condition, in this case) and the dependent variable (here, child outcomes) (Baron & Kenny, 1986). Identifying those variables that help specify the conditions under which interventions are most effective is central to social science research (Cohen et al. 2003). Moderators of curricular effects may be particularly important to scale-up studies. There may be no more challenging educational and theoretical issue than scaling up educational programs across a large number of… Continue Reading →