Historically, Two Inventions Separated Humans from Animals

question 15

Multiple Choice

Historically, two inventions separated humans from animals:

• A) tools and music
• B) tools and society
• C) the ability to procreate and adapt
• D) walking and swimming

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Definitions:

Operational Definition

A clear, precise description of a variable in terms of the procedures used to measure or manipulate it in a research study.

Anxiety

A feeling of worry, nervousness, or unease, typically about an imminent event or something with an uncertain outcome.

Empirically Tested

Evaluated or tested based on observations or experience rather than theory or pure logic.

Confirmation Bias

The tendency to search for, interpret, favor, and recall information in a way that confirms one's preexisting beliefs or hypotheses.