@article{8913c5fa830d44df8855f0f8b6ed7218,
title = "How Much Professional Development Is Needed to Effect Positive Gains in K–6 Student Achievement on High Stakes Science Tests?",
author = "Shymansky, \{James A.\} and Tzu-Ling Wang and Annetta, \{Leonard A.\} and Yore, \{Larry D.\} and Everett, \{Susan A.\}",
note = "James A. Shymansky Tzu-Ling Wang Leonard A. Annetta Larry D. Yore Susan A. Everett This paper is a report of a study that examines the relationship between teacher participation in a multi-year, K-6 professional development effort and the {"}high stakes{"} science test scores of different student groups in 33 rural mid-west school districts in the USA.",
year = "2012",
month = feb,
day = "1",
doi = "10.1007/s10763-010-9265-9",
language = "American English",
volume = "10",
journal = "International Journal of Science and Mathematics Education",
}