If an Astronaut Were Exactly Half Way Between Earth and the Moon,the

question 32

Multiple Choice

If an astronaut were exactly half way between Earth and the Moon,the net gravitational force exerted on the astronaut by these two objects would be

• A)directed toward Earth.
• B)zero.
• C)directed toward the Moon.

---

Definitions:

Hindsight Bias

The tendency to believe, after learning an outcome, that one would have foreseen it, often referred to as the "I-knew-it-all-along" effect.

Placebo Effect

A phenomenon where an improvement in health or wellbeing is observed after receiving a treatment that has no therapeutic value, due to the individual's belief in its efficacy.

Illusory Correlation

refers to the cognitive bias where a relationship between two variables is perceived to exist when no such relationship actually exists.

Double-Blind Procedure

A experimental setup in which neither the participants nor the experimenters know who is receiving a particular treatment, preventing bias in the results.