Sharon J. Lane-Getaz
Toward the development and validation of the reasoning about p-values and statistical significance scale
paper describes development validation reasoning pvalues statistical significance rpass scale rpass designed support future research students conceptual understanding misunderstanding statistical significance effects instructional approaches understanding expert content validation testing 27item rpass4 administered across five introductory courses california polytechnic state university n 224 respondents answered 16 27 items correctly average paper reports evidence construct validity convergent discriminant validity evidence n 56 however internal consistency reliability low 42 n 224 subset 15 items identified expected coefficient alpha 66 removing items low corrected itemtotal correlations implications future development research discussed