A researcher observes alcohol intake behavior during a party involving only students who were 21 years or older. To manage the observation period, every 10 min she observes behavior for 5 min, then takes 5 min off during the party. Which method was used to manage the observation period?

Time sampling

Explanation:

In an observation study, time sampling refers to a method of measuring behavior which is where an observer records activity at defined intervals. Therefore, it is a method of collecting  information in which a observer watch participants during research for a prescribed amount of time and record their particular behavior. As per the question, the researcher manage the observation period, every 10 min she observes behavior for 5 min, then takes 5 min off during the party and it an example of time sampling.

the following men who did not in the unification of italy were.

a) giuseppe mazzini

c) alexander ll

the other two men were camilo cavour and giuseppe garibaldi they the unification of italy by yielding territories in the italian unification. in 1861 italy was declared a united-nation state under the sardinian king victor immanuel ll.