Answer:
no creo que significa algo, yo tengo sueños bien raros tambien pero al final nada pasa. Pero si son los dos de ustedes pues no se la verdad. Si solo a pasado una vez tal vez no es nada pero si pasa muchas veces pues yo creo que ahi si.
Answer:
The answer is C
Explanation:
Workers should form unions.
Scientific observation corresponds to the method of testing hypotheses by unobtrusively watching and recording participants' behavior in a systematic manner.
<h3 /><h3>What is the purpose of scientific observation?</h3>
It consists of scientific research, where the researcher does not interfere with his personal opinions in the study, but rather collects data through different methods, such as documents, interviews and experiments, to measure a hypothesis.
Therefore, scientific observation helps to obtain knowledge through a complex and rigorous methodology to make the study more reliable.
Find out more about scientific method here:
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Answer:
cross-sectional study
Explanation:
A type of study in which data is gathered at one time from groups of participants who represent different age groups is an example of a cross-sectional study. A cross-sectional study is a type of study design that involves subjects who vary in the variable of interest such as age but have a common characteristics and observations are made at a single point in time.
In the scenario from the question, the variable of interest is most likely the effect of varying age groups on personal health. The variable of interest, age group varies but the population has a common characteristic which is that they are Americans and the study is done at a particular time and not spread out as in cohort studies. This is an example of a cross-sectional study.