Inter-rater reliability, commonly assessed by intra-class correlation coefficient ICC, is an important index for describing the extent to which there is consistency amongst two or more raters in assigned measures. In organizational research, the data structure is often hierarchical and designs deviate substantially from the ideal of a balanced…

Education reformers routinely call on school districts to stop hiring teachers based on seniority, which they argue interferes with effective staffing, especially in disadvantaged schools. The few researchers who have empirically studied the issue, however, disagree about whether seniority-based hiring is systematically associated with staffing…