Seyed Mohammad Ali Seyedi, Navid Kazemian, Omid Alizadeh, Zeinab Mohammadi, Maryam Jamali, Reza Shahakbari, Sahand Samieirad
Assessing the Utility of Oral and Maxillofacial Surgery Posters as Educational Aids in Dental Education for Undergraduate Students: Is it Useless or Helpful?
World journal of plastic surgery
randomized trials remain accepted design estimating effects interventions necessarily answer question primary interest program effective target population may implemented words results generalizable little statistical research assess generalizability external validity randomized trials propose use propensityscorebased metrics quantify similarity participants randomized trial target population setting propensity score model predicts participation randomized trial given set covariates resulting propensity scores used first quantify difference trial participants target population match subclassify weight control group outcomes population assessing well propensity scoreadjusted outcomes track outcomes actually observed population metrics serve first step assessing generalizability results randomized trials target populations paper lays ideas discusses assumptions underlying approach illustrates metrics using data evaluation schoolwide prevention program called positive behavioral interventions supports