We Have Direct Experimental Evidence (From Large Particle Accelerators) for the Physical

question 19

Multiple Choice

We have direct experimental evidence (from large particle accelerators) for the physical conditions in the universe back to about ________ after the Big Bang.

• A) 1 million years
• B) 380,000 years
• C) 300 years
• D) 3 minutes
• E) 10⁻¹⁰ seconds

---

Definitions:

Positive Reinforcement

The strengthening of a response (increases in frequency) because it is followed by the arrival of a (presumably) pleasant stimulus.

Unrealistic Optimism

The belief that positive outcomes are more probable and negative outcomes are less probable for oneself compared to others, often ignoring statistical reality.

Risky Behaviors

Behaviors that expose individuals to harm or significant risk of harm.

Hardiness

A character quality marked by toughness and the capacity to withstand harsh situations.