Janie Is a 3-Month-Old Infant Participating in an Experiment

question 15

Multiple Choice

Janie is a 3-month-old infant participating in an experiment. She's lying in her crib with one end of a ribbon tied to her foot and the other end tied to a mobile dangling over her crib. She quickly learns that she controls the movement of the mobile with her kicking. One week later, the researchers return, tie the ribbon to her foot, and hang the mobile above her crib. Immediately, Janie starts vigorously kicking her leg. What does this experiment demonstrate?

• A) Three-month-olds can remember things for at least a week.
• B) Three-month-olds can relearn the kicking strategy very quickly at the second test.
• C) Kicking behavior is very easy to learn.
• D) Mobiles are very interesting to 3-month-olds.

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Definitions:

Fixed Costs

Expenses that do not change with the level of production or business activity, such as rent, salaries, and insurance premiums.

Variable Cost

Costs that vary directly with the level of production or sales volume, such as materials and labor.

Theory of Constraints

A management approach that focuses on identifying and managing the most limiting factor (constraint) that stands in the way of achieving a goal.

Goldratt and Cox

Eliyahu M. Goldratt and Jeff Cox, co-authors of "The Goal," a book introducing the Theory of Constraints, a methodology for improving organizational performance.