Professor Everdine Is Interested in Devising a Scale to Examine

question 10

Multiple Choice

Professor Everdine is interested in devising a scale to examine people's perception of saltiness.She asks participants to rate solutions with various amounts of salt dissolved in them on a scale from 0 (not salty at all) to 100 (extremely salty) .This method is known as ______.

• A)limit testing
• B)magnitude estimation
• C)signal detection
• D)threshold evaluation

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Definitions:

Carbon

A chemical element with symbol C and atomic number 6, essential to all known living systems and the basis for organic chemistry.

Glaciers Melt

The process by which glaciers lose their ice mass to the surrounding water and air, contributing to sea-level rise and changes in global water cycles.

Isotopes of Oxygen

Variants of oxygen atoms with the same number of protons but different numbers of neutrons, leading to different atomic masses.

Ancient Earth

Refers to the geological and biological conditions of Earth in its early history, millions to billions of years ago.