Entering elementary school is a big step for children, a true rite of passage. I can still remember my very first day of school, how excited I was to join my big sister on the bus, how much I loved the little containers of milk and my teacher’s bouffant hairdo! I made a best friend that day—and was confounded by the “K-I-S-S-I-N-G” song kids sang on the bus. By the time I hit third grade, though, I knew what to expect. I was a real “big kid” (and old enough to know not to call myself one).
The CLASS tool measures interactions in classrooms serving infants through high school students. That’s quite a span—and also why there are six different tools tailored to each age level. So what links these different tools? That’s where a fancy-pants term comes in: heterotypic continuity.