Which of the following is a method used to train sensory panelists?

The correct answer is d) All of the above.

All these methods are used to train sensory panelists. Sensory acuity testing helps assess the panelists’ ability to detect differences in sensory attributes. Sensory profiling involves familiarizing panelists with specific characteristics of products to improve their descriptive abilities. Sensory calibration ensures that panelists maintain consistent evaluations over time. Therefore, all these techniques contribute to effective training of sensory panelists.