What Are the Three Goals of the Scientific Enterprise in Psychology

question 137

Essay

What are the three goals of the scientific enterprise in psychology?

---

Definitions:

E(XY)

The expected value of the product of two random variables X and Y, indicating their joint mean over all pairs of outcomes.

Marginal Probability

The probability of an event occurring, regardless of the outcomes of other variables; it is calculated by summing the probabilities of the event across all values of the other variables.

E(X + Y)

The expected value of the sum of two random variables, equal to the sum of their individual expected values.

Covariance

A measure that indicates the extent to which two variables change together, but does not indicate the strength of their relationship.