With the Above Study,the Outcome Variables Are Interval-Scaled

question 15

Multiple Choice

With the above study,the outcome variables are interval-scaled.Which descriptive statistics would need to be provided?

• A)Means and medians for all
• B)Means and standard deviations for pre- and post-test for both age categories; and both treatment groups
• C)Standard deviations for both age groups,and means for both treatment groups
• D)None of the above

---

Definitions:

Homeostasis

The tendency of a biological system to maintain stable internal conditions despite external changes.

Homeostasis

The tendency of a biological system to maintain stability while adjusting to conditions that are optimal for survival.

Yerkes-Dodson Law

A theory suggesting there is an optimal level of arousal for the best performance of a task; too little or too much arousal can negatively affect task performance.

Moderately Aroused

A state of being neither too relaxed nor too excited, often considered optimal for certain tasks or learning.