نتایج جستجو برای: regression problems
تعداد نتایج: 883874 فیلتر نتایج به سال:
OBJECTIVE To evaluate the effect of a preventative intervention in Jamaican basic schools on child behaviour and parent-teacher contacts. DESIGN AND METHODS Five basic schools in Kingston, Jamaica, were randomly assigned to an intervention (n = 3) or control (n = 2) condition. Intervention involved seven whole-day teacher workshops using the Incredible Years Teacher Training Programme supplem...
Conduct problems in childhood and adolescence are significant precursors of crime and violence in young adulthood. The purpose of the current study is to test the interaction between prenatal maternal smoking and COMT Val(158)Met in conduct problems and crime in the 1993 Pelotas Birth Cohort Study. Conduct problems were assessed through the parent version of the Strengths and Difficulties Quest...
OBJECTIVES This study examined whether high levels of television viewing are associated with attention problems and hyperactivity in preschool children. METHODS Parent and teacher ratings of inattention, hyperactivity and impulsivity, objectively measured activity level, and parental estimation of early television exposure were collected for a sample of preschool children. Separate linear reg...
OBJECTIVE To examine the association between psychological problems and weight status in children aged 3.5 to 4 years and test whether obesogenic eating behaviors mediate this relationship. METHODS This study is a cross-sectional secondary analysis of data from first-time mothers (N = 194) in the control arm of the NOURISH randomized controlled trial. At child age 3.5 to 4 years, maternal-rep...
The sample consisted of black adolescents who were members of the Columbia-Presbyterian chapter of the Collaborative Perinatal Project from birth to age 7. At age 17, subjects and their parents were administered a battery of instruments that included standardized psychiatric diagnostic interviews as part of a call-back study. Results from least-squares and logistic regression analyses were comp...
with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...
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