Tweedledom Is Six, and When He Adds Numbers, He Uses

Multiple Choice

Tweedledom is six, and when he adds numbers, he uses the "sum" strategy, counting both numbers aloud. Tweedledee, his older brother, teaches him the "min" strategy, starting at the larger number and counting up from there. Dom quickly sees that min is better; his failure to use it until shown is a(n) ____ deficiency.

A) metacognitive
B) elaborative
C) production
D) utilization