D 60 ANSWER: C Exhibit 2-4
a Sample of 15

question 22

Multiple Choice

d. 60 ANSWER: c Exhibit 2-4
A sample of 15 children shows their favorite restaurant:
$\begin{array}{|l|l|l|}\hline \text { McDonalds } & \text { Luppi's } & \text { Mellow Mushroom } \\\hline \text { Friday's } & \text { McDonalds } & \text { McDonalds } \\\hline \text { Pizza Hut } & \text { Taco Bell } & \text { McDonalds } \\\hline \text { Mellow Mushroom } & \text { Luppi's } & \text { Pizza Hut } \\\hline \text { McDonalds } & \text { Friday's } & \text { McDonalds }\\\hline\end{array}$
-Refer to Exhibit 2-4. Determine the relative frequency for McDonalds.

• A) 0.27
• B) 0.5
• C) 0.4
• D) 6

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Definitions:

Difference Threshold

The minimal detectable difference between two stimuli required for the subject to notice they are not the same.

Absolute Threshold

The lowest level of stimulation that an individual can detect at least 50% of the time.

Environmental Stimulation

refers to external factors that influence an organism's behavior and development, often improving cognitive functions.

Perception

The process by which people interpret, analyze, and give meaning to sensory information from the environment.