If a Researcher Sets a Level of Significance at

question 14

Multiple Choice

If a researcher sets a level of significance at .05 (i.e. 5%) , what does this mean?

• A) Five times out of 100, a significant result will be found that is due to chance alone and not the intervention.
• B) Ninety-five times out of 100, a significant result will be found that is due to chance alone and not the intervention.
• C) Five times out of 100, a significant result will be found that is not due to chance, but the intervention.
• D) None of the above.

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Definitions:

Bright Illumination

Strong or intense light that significantly increases visibility in an environment.

Colour Vision

The capability of an organism's visual system to distinguish objects based on the wavelengths (or frequencies) of the light they reflect, emit, or transmit.

Wavelengths

The space separating consecutive wave peaks, especially in the context of sound or electromagnetic waves.

Physical Stimulus

An external event or factor that influences a physical response or reaction in an organism.