A correlation coefficient of +2.2 suggests

By the age of 2 most toddlers will have a vocabulary of about ____

a. 100 words b. 200 words c. 300 words d. 400 words

Ms. Long is a first grade teacher and uses cooperative learning in her classroom

In creating groups of students she will equally distribute high achieving, moderate achieving, and low achieving students so there is one student of each category in every group. Based upon the skills of each student, Ms. Long knows that the high achieving students can help the modern achieving students, and in turn, the moderate achieving students can help the low achieving students. It is clear that Ms. Long is using the principle of ____ in her classroom. a. psychosocial moratorium b. accommodation c. scaffolding d. assimilation