A. Encyclopedias would give you basic and brief information on a topic.
Books and databases provide a lot of information. Interviews provide very little information on research topics.
Hope this helps :)
Central ideas are always complete statements. Anxiety is not a complete statement therefore it is not an example of a central idea.
If you write one sentence describing the original paragraph's hook, and then a second sentence describing any supporting evidence in the paragraph, and then a third sentence describing the topic sentence, you will have written your critique.
Context??? Please then maybe I can asker your question