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Full-Text Articles in Social Work

Detecting And Statistically Correcting Sample Selection Bias, Gary Cuddeback, Elizabeth Wilson, John Orme, Terri Combs-Orme Dec 2003

Detecting And Statistically Correcting Sample Selection Bias, Gary Cuddeback, Elizabeth Wilson, John Orme, Terri Combs-Orme

Terri Combs-Orme

Researchers seldom realize 100% participation for any research study. If participants and non-participants are systematically different, substantive results may be biased in unknown ways, and external or internal validity may be compromised. Typically social work researchers use bivariate tests to detect selection bias (e.g., χ2 to compare the race of participants and non-participants). Occasionally multiple regression methods are used (e.g., logistic regression with participation/non-participation as the dependent variable). Neither of these methods can be used to correct substantive results for selection bias. Sample selection models are a well-developed class of econometric models that can be used to ...


Do Maternal Concerns At Delivery Predict Parenting Stress During Infancy?, Terri Combs-Orme, Daphne Cain, Elizabeth Wilson Dec 2003

Do Maternal Concerns At Delivery Predict Parenting Stress During Infancy?, Terri Combs-Orme, Daphne Cain, Elizabeth Wilson

Terri Combs-Orme

Objective: In a previous study,we found that newmothers could andwould express concerns about their parenting, including concerns about maltreatment and poor care. In this study,we examine the utility of early maternal concerns for predicting parenting stress in the first year. Parenting stress is important because it has been shown to be related to maltreatment and poor parent-child relationships.

Method: A sample of 246 mothers were interviewed shortly after delivery in a publicly funded hospital about their parenting concerns, and 93% were reinterviewed in their homes about their parenting when the infants were 6 to 12 months old. Standardized ...