Susan B. Neuman|Serene Koh|Julie Dwyer
CHELLO: The Child/Home Environmental Language and Literacy Observation
University of Michigan–Ann Arbor|Michigan United|University of Michigan–Ann Arbor|Michigan United|University of Michigan–Ann Arbor|Michigan United
abstract purpose study develop valid reliable tool measuring quality language literacy environment homebased settings based convergence research ecological psychological factors associated early literacy development childhome environmental language literacy observation chello developed gauge quality current practices associated positive early childhood literacy outcomes following structure early language literacy classroom observation scale ellco smith dickinson 2002 early language literacy classroom observation baltimore md brookes developed two interdependent tools literacy environment checklist groupfamily observation provider interview interrater reliability using weighted kappas indicated acceptable reliability following analysis chello administered 128 homebased settings four lowincome urban areas initial evidence psychometric properties provided support internal consistency although research needed chello potential serve useful tool examining language literacy environment homebased settings