Lai, C. F., Alonzo, J., Tindal, G. (2013). easyCBM reading criterion related validity evidence: Grades K-1 (Technical Report No. 1309). Eugene, OR: Behavioral Research and Teaching, University of Oregon. In this technical report, we present the results of a study to gather criterion-related evidence for Grade K-1 easyCBM® reading measures. We used correlations to examine the relation between the easyCBM® measures and other published measures with known reliability and validity evidence. TechRpt_1309