Adele Diamond and Kathleen Lee Believe That Successful Programs Increasing

Adele Diamond and Kathleen Lee believe that successful programs increasing EF skills have two common features: (1) increasing levels of difficulty that challenge children and (2)

A) giving rewards for accomplishing each level of difficulty.
B) emphasizing persistence and effort in carrying out the activities.
C) creating feelings of joy, competence, and social bonds with others.
D) giving child time alone to explore.