C. Comparative, because he wants comparing the amount of blue jays in the different seasons.
Answer: An observational study
Explanation: The researcher is observing the children who engage in play, therefore <u>this is an observational study.</u>
Answer:
A. principles, guidelines, or procedures that serve the purpose of maximizing uniformity in decision making.
Explanation:
In every social groups, a policy is created by a person or an entity that has a full acknowledgement by the members of the social groups and recognized as 'authorities' . (in modern America, this entity is what we called as the government)
These guidelines or procedures are made for two main reasons:
- To maintain the social order (which is why policies regarding prohibited criminal behaviors are created)
- To ensure that the social group manage to survive and develops (this lead to the creation of things such as economic policies)
