Exercise, if done before doing any type of work can help expend excess energy and allow a student to focus more effectively. There are many other benefits, but very few of these have been verified by reputable studies.
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It had a positive effect on the world, but for the humans those times it was a negative effect. Bcuz the Portuguese took slaves from Africa. so it was bad for humanity. But if the age of exploration hadn't happened the united states wouldn't be here. So it also has a positive effect. It depends on how u look at it.
it is the people and the time
SynonymsPart to WholePlaceProductSequenceOdject to actionOppsitesPurposeCharacterizationCause and effect
There cannot be one since the answer depends on the form in which the effect is measured: whether the effect is qualitative or quantitative. There are various non-parametric measures of correlation or concordance. For data that are more quantitative there are more powerful tests such as the F-test for independent Normal distributions.
ControlThe answer will depend on the nature of the effect. IFseveral requirements are met (the effect is linear, the "errors" are independent and have the same variance across the set of values that the independent variable can take (homoscedasticity) then, and only then, a linear regression is a standard. All to often people use regression when the data do not warrant its use.