What Does a Psychologist Usually Mean When She Says a Particular

question 58

Multiple Choice

What does a psychologist usually mean when she says a particular experimental result is 'significant'?

• A) The result reflects a large difference between the mean scores of one participant group and the mean scores of another.
• B) The result is important in a practical sense.
• C) The result will allow psychologists to support one theory over alternative theories.
• D) The result is unlikely to have occurred solely as a result of chance.

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Definitions:

NAD+

Nicotinamide adenine dinucleotide, a coenzyme found in all living cells that is involved in redox reactions, carrying electrons from one reaction to another.

Oxygen

A chemical element (O) essential for most forms of life on earth, playing a key role in cellular respiration and energy production.

ATP

Adenosine triphosphate, a high-energy molecule that stores and transports chemical energy within cells for metabolism.

Energy Content

The amount of energy, typically measured in calories or joules, that is contained in a food or fuel source, indicating its potential to do work or produce heat.