The answer to this question is Voluntary.
One negative aspect about the voluntary aspects of research is that it may damage the validity of the research.
For example, if research is being done through questions about certain topics. People who know the purpose of the research could fake the data to obtain positive results.
<span><span>Certificates of confidentiality protect sensitive info provided by research subjects from civil, criminal or administrative subpoena. </span>The primary purpose of a certificate of confidentiality is to:
</span>protect identifiable research info from compelled disclosure.
Answer: Rico should qualify his prospects by determining if they have the "money, authority, and desire" to buy.
Explanation: MAD means (Money , Authority and Desire). Rico's sales manager has told him that if he wants to quit wasting time making presentations to people who are not qualified, he should qualify his prospects by determining if they have the "money, authority, and desire" to buy.
Answer:Hieroglyphic script developed 3100- Narmer unified Upper and Lower Egypt
Explanation:
