A Pearson Correlation of R = −0

question 28

Multiple Choice

A Pearson correlation of r = −0.25 indicates that a graph of the data would show points ____.

• A) clustered close to a line that slopes up to the right
• B) clustered close to a line that slopes down to the right
• C) widely scattered around a line that slopes up to the right
• D) widely scattered around a line that slopes down to the right

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Definitions:

Preoperational

Refers to the stage in Piaget's theory of cognitive development where children aged 2 to 7 years old use symbols and language but do not yet understand mental operations or logical thinking.

Formal Operational

The fourth and final stage of Jean Piaget's theory of cognitive development, occurring from around age 12 and beyond, marked by the ability to think abstractly, logically, and systematically.

Concrete Operational

A stage in Piaget's theory of cognitive development where children gain the ability to think logically about concrete events.

Language

A form of communication—whether spoken, written, or signed—that is based on a system of symbols.