Ronen Zangi
Breakdown of Langmuir Adsorption Isotherm in Small Closed Systems
Langmuir : the ACS journal of surfaces and colloids
article performance assessments cast within sampling framework specifically performance assessment viewed sample student performance drawn complex universe defined combination possible tasks occasions raters measurement methods using generalizability theory present evidence bearing generalizability convergent validity performance assessments sampled range measurement facets measurement methods results individual school level indicate tasksampling variability major source ofmeasurment error large numbers tasks needed get reliable measure mathematics science achievement elementary level respect convergent validity results suggest methods converge students performance scores dependent task method sampled