Which of the following is the best example of naturalistic observation?
watching children play in a park and recording their behavior
conducting sleep research in a laboratory
comparing headache reports from two groups listening to different types of music
interviewing college students about their study habits

d. watching children play in a park and recording their behavior

Explanation:

Naturalistic observation is one of the methods used in research by the psychologists. The subjects in this experiment are observed in their natural environment. The behaviors are then analyzed and examined to draw certain conclusions out of them. Such researches help in getting a better conclusion and idea about the reaction ad behavior of the people.

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.