Methods: The study used longitudinal data from parents of low income-children and preschool teachers (n=55) participated in project LAUNCH San Antonio, Texas. The study used Devereux Early Childhood Assessment (DECA) which contains 27 positive behaviors (5-point Likert scale) that are organized into three sub-scales: initiative, self-regulation, and attachment, and 10 problem behaviors organized in a behavioral concerns sub-scale. Five paired-sample t-test models were used to analyze the data.
Results: In the first set of analysis, paired-sample t-test was conducted to test difference in the combined protective factors (initiative, self-regulation, and attachment) before and after interventions. Paired-sample t-test results indicate there was significant improvement in protective factors (Pre x̄= 14.91, Post x̄ =23.00, x̄ difference = 8.091, SD = 20.693, t = -2.90, p < .05) following the interventions. Next, paired sample t-test was conducted to test differences in the three sub-scales of protective factor separately before and after the interventions. The findings indicate that there was statistically significance difference in initiative (Pre x̄= 21.21, Post x̄ =29.62, x̄ difference = 8.382, SD = 23.575, t = -2.637, p < .05) and self-regulation (Pre x̄= 9.41, Post x̄ =21.46, x̄ difference = 12.056, SD = 22.089, t = -4.011, p < .001) before and after the intervention, but not in attachment. In the third analysis, paired sample test was conducted to test differences in behavioral concerns before and after the intervention. The finding indicates that there was statistically significant difference in behavioral concerns (Pre x̄= 89.38, Post x̄ =80.52, x̄ difference = -8.857, SD = 15.147, t = 3.789, p < .001) before and after the intervention.
Conclusion/Implication: Children in low-income families may benefit from policy efforts and holistic interventions that are designed to promote the wellness of young children by addressing the physical, social, emotional, cognitive, and behavioral aspects of their development. The associations between the interventions and protective factors and problem behaviors require more study in the future to explore causal links. Future work might involve quasi-experimental designs and causal molding using including alternative scales