propensity scoring

tandfonline.com har udgivet en rapport under søgningen “Teacher Education Mathematics”: ABSTRACT ABSTRACT As traditional teaching methods may fail to serve children with special needs, special education (SE) services aim to compensate for the shortcomings of conventional schooling. However, despite of numerous studies on the effectiveness of SE services, the influence of potential selection bias remains a real challenge, and only a few studies have applied methodology aiming to surmount these shortcomings. Therefore, by combining two methods (i.e. propensity score and fixed effects regression) to account for potential confounders, we examined the effects of receiving SE services in first and third grades on Norwegian students’ academic achievement and task motivation in third and fifth grades (n = 745). Thus, we controlled for a propensity score that was calculated based on observed selection into… Continue Reading →