An anthropologist studying a social group observes that people shake hands when greeting one another and concludes that handshaking is universal among human beings. this study is faulty because the anthropologist has not been holistic evolutionary ethnocentric

The correct answer is none of the options listed. This study is faulty because the anthropologist has not been comparative. Anthropologists need to be comparative in their research, meaning that they need to take into consideration the similarities and differences of many many different societies and cultures before making any conclusions about human nature, society, or the past.