You Can Feel That There Are Two Rods Touching Your

question 85

Multiple Choice

You can feel that there are two rods touching your cheeks, but have difficulty feeling two rods if you are touched with them on your calves. This is because

• A)touch receptors are more densely packed in your calves.
• B)touch receptors are more densely packed in your cheeks.
• C)more of the sensory cortex is devoted to the perception of sensation on the face.
• D)Both b and c.

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Definitions:

Usability Testing

The evaluation process by which users of a product are observed to determine how easy and efficient the product is to use.

Simple Random Sampling

Simple random sampling is a statistical method where every member of a population has an equal chance of being selected to form a sample, ensuring unbiased representation.

Stratified Random Sampling

A sampling method that involves dividing a population into subgroups and randomly selecting samples from each group, ensuring representation.

Sampling Techniques

Methods used in statistics to select individual observations intended to yield some knowledge about a population of concern.