Wiggins, Kenneth E.Holmes, Neal Jay2016-02-012016-02-011967-05https://hdl.handle.net/20.500.14446/27338application/pdfCopyright is held by the author who has granted the Oklahoma State University Library the non-exclusive right to share this material in its institutional repository. Contact Digital Library Services at lib-dls@okstate.edu or 405-744-9161 for the permission policy on the use, reproduction or distribution of this material.Development and evaluation of an observational system designed to measure science classroom activity from the hallDissertation