Forty-Eight Observations of a Dependent Variable (Y) and Five Independent

question 59

Essay

Forty-eight observations of a dependent variable (Y) and five independent variables resulted in an SSE of 438. When two additional independent variables were added to the model, the SSE was reduced to 375. At 95% confidence, determine whether or not the two additional independent variables contribute significantly to the model.

---

Definitions:

Mental Module

The concept of specialized, domain-specific regions or networks in the brain responsible for various cognitive functions.

Preoperational Stage

According to Piaget, the stage of thinking between infancy and middle childhood, in which children are unable to decenter their thinking or to think through the consequences of an action.

Decenter

The cognitive ability to consider multiple aspects of a situation simultaneously, characteristic of more advanced stages of cognitive development.

Sensorimotor Stage

Piaget’s term for the stage of infancy during which the process of adaptation consists largely of coordinating sensory perceptions and simple motor behaviors to acquire knowledge of the world.