Gesell's Work Involved Documenting the Motor Abilities and Physical Growth

question 9

Multiple Choice

Gesell's work involved documenting the motor abilities and physical growth of infants, including changing skills in prehension, which refers to

• A) evidence of rolling and crawling.
• B) early walking abilities.
• C) voluntary lying down and sitting skills.
• D) approaching, grasping, and releasing objects.
• E) being able to sit up unaided.

---

Definitions:

Cournot's Duopoly Game

A model of competition between two firms, where each firm chooses its output level assuming the output of the rival is fixed.

Stackelberg

Refers to a model of strategic interaction in oligopolistic markets where one leader firm moves first and the other firms follow.

Cournot

A model of duopoly in which two firms assume the output of the other, deciding their own production levels to maximize profit.

Sequential Game

A type of game theory model where players make decisions one after another, with each player's decision possibly affecting future decisions by themselves or others.