J L Miller
Survey of computer technology in foodservice management education
Journal of the American Dietetic Association
regression discontinuity design rdd quasiexperimental approach study causal effect exposure later outcomes exploiting discontinuity exposure probability assignment variable cutoff intent facilitating use rdd developmental origins health disease dohad research describe main aspects study design review studies assignment variables exposures investigated identify short longterm health effects early life exposures also provide brief overview methodological considerations rdd identification using example dohad study increasing number studies investigating effects early life environmental stressors health outcomes use rdd mostly context education social welfare policies healthcare organization insurance clinical management age calendar time mostly used assignment variables study effects various early life policies programs shock events guidelines maternal newborn characteristics age birth weight gestational age frequently used assignment variables study effects type neonatal care health insurance newborn benefits socioeconomic measures used study effects social welfare programs rdd advantages including intuitive interpretation transparent simple graphical representation provides valid causal estimates assumptions relatively weak compared nonexperimental study designs met use study health effects exposures acting early life limited studies based registries administrative databases birth cohort data exploited far using design local causal effect around cutoff difficulty reaching high statistical power compared study designs rarity settings outside policy program evaluations hamper widespread use rdd dohad research still assignment variables cutoffs exposures applied previous studies used appropriate settings additional outcomes address different research questions