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a_sh-v [17]
3 years ago
13

Running and sleep. Sufficient sleep is important for adolescents for both their neural and psychological development. Despite th

is, daytime sleepiness and poor physical and psychological functioning related to chronic sleep disturbances are common. There is a growing body of evidence that exercise is associated with both better sleep and improved psychological functioning. Sixty participants were recruited from a high school in northwestern Switzerland. They were randomly assigned to either a running group or a control group, 30 to each group. The running group ran every morning for a little over 30 minutes on weekdays for a three-week period. All participants used a sleep log for subjective evaluation of sleep, and sleep was also objectively assessed at the beginning and end of the study using a sleep electroencephalographic device that measured quantities such as sleep efficiency and time spent in the four different sleep phases. Running was found to impact positively on both objective and subjective measures of sleep functioning. What are the explanatory and response variables
Social Studies
1 answer:
Debora [2.8K]3 years ago
3 0

Answer:

dependent/response variable is the students quality of sleep.

Explanatory variable is if student ran it not.

Explanation:

This question is trying to tell us the impact of exercise on sleep.

What it is saying is if the time and quality of sleep is related to if a student ran or not.

The result showed that running has a positive effect on how much a person slept.

So the response variable is the persons quality of sleep while the explanatory variable is if the student ran or did not run.

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Answer:

The answer is True

Explanation:

The battle of Thermopylae, commonly referred to as the "Hot Gates", was fought between the Spartan warriors commanded by King Leonidas and the Persian mega army commanded by their leader, Xerxes the first during the second Persian invasion of Greece. The estimated date of this battle was in the latter half of the year 480 BC.

When the massive Persian army approached the Hot Gates, a council of war was held to decide upon a military stratagem. It was finally decided that the Greek force commanded by Leonidas would defend Thermopylae while request for reinforcements would be sent as well. The pass of Thermopylae was the only road that the invaders could use to cross. Given how the Greeks were massively outnumbered, one of the soldiers complained that the arrows of the barbarians would make it impossible to see the sun. To this, a Greek warrior supposedly replied "that is good news. We will fight in the shade"

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