Sebastian Rezat, Sara Malik, Markus Leifeld
Scaffolding Close Reading of Mathematical Text in Pre-service Primary Teacher Education at the Tertiary Level: Design and Evaluation
International journal of science and mathematics education
individual societal factors influencing formation longterm recreational exercise habits transition adolescence young adulthood well explored using data longitudinal survey australian youth lsay populationrepresentative cohort study young people followed age 15 25 aimed 1 model longitudinal recreational exercise trajectories age 16 24 2 examine predictors age 15 entering trajectories 3 explore association trajectories health mental health educational achievement outcomes measured final study wave age 25 selfreported recreational exercise frequency data 9353 lsay participants analysed using groupbased trajectory modelling modelled evolution two patterns recreational exercise behaviour daily exercise per public health guidelines model 1 least weekly exercise model 2 model 1 trajectories guidelineadherent exercisers 179 sample never guideline exercisers 275 guideline dropouts 152 towards guideline 394 model 2 trajectories weekly exercise 695 sample decreasing 174 increasing 48 infrequent 83 models age 15 trajectory membership predicted gender selfefficacy time spent participating sport time spent watching tv parental socioeconomic status academic literacy age 25 people guidelineadherent exerciser trajectory model 1 reported better general health relative trajectories weekly exerciser trajectory model 2 better general health reduced rates psychological distress happier life optimistic future relative participants less weekly trajectory groups exercisepromoting interventions young people specifically address needs females people low selfefficacy reluctant exercisers higher academic achievers experiencing socioeconomic disadvantage