An Articles States That a Sample of 40 Participants Took

question 72

Multiple Choice

An articles states that a sample of 40 participants took 12 ± 2.3 (M ± SEM) seconds to complete a cognitive assessment.Which value is the standard error of the mean?

• A)40
• B)12
• C)2.3
• D)The standard error of the mean is not reported in the article

---

Definitions:

Insomnia

The inability to get to sleep, stay asleep, or get a good quality of sleep.

Total Amount

Refers to the complete or whole quantity or sum of all parts or elements within a set or group.

Sleep

A naturally recurring state of mind and body characterized by altered consciousness, reduced sensory activity, and inhibited voluntary muscle activity.

Non-REM (N) Sleep

A phase of sleep that excludes REM sleep, characterized by slower brain waves, reduced heart rate, and lower body temperature.