When 3-year-old marcus first tries riding a tricycle, he pedals it slowly and awkwardly, and he has trouble steering it where he wants it to go. over time he becomes increasingly proficient, and eventually he can ride a tricycle with little conscious effort. marcus's progress illustrates the role of in development

automatization        

Explanation:

Automatization: In psychology, the term automatization is referred to as the practice or application of a skill to the extent where it becomes a virtual routine and therefore requires a little or less conscious effort if required, such as hitting a ball, or riding a cycle.

In the question above, Marcus's progress illustrates the role of automatization in development.

answer; i believe the correct answer is (117);

where is the rest of the question. this isn't making sense. can you upload a picture of the question?