Answer:
Questionnaires
Explanation:
They allow both government and outside researchers to obtain estimates of a variety of health related topic or issue among either the entire nation or specific demographic group of the population.
And the survey design is cross section.
Yes correct. you should always be careful though. but studies have shown its great for fewer calories and weight loss. some people need to be supervised because people can get sick or loose to much weight and become malnourished
Answer:
Yes
Explanation:
Too much exercise leads to over exhaustion and possible injury.
"Expectancy-value theory". This theory is based upon what a specific person values determines their motivation.