Question

under ideal conditions, a human can detect a candle flame 30 miles away on a clear night.

t
f

Explanation:

Identify the sensory threshold standard

The absolute threshold for human vision under ideal, dark, clear conditions is classically defined in psychology as being able to see a candle flame from 30 miles away.

Evaluate the statement

The statement "Under ideal conditions, a human can detect a candle flame 30 miles away on a clear night" matches this established absolute threshold fact. Therefore, the statement is true.

Answer:

• T (Correct answer)
• F