Method using the human senses to obtain information on a phenomenon or event through notes, tapes or videos.
Method using the human senses to obtain information on a phenomenon or event through notes, tapes or videos.
Method combining observation with actual involvement in the phenomenon or event studied.
The act of eliciting information in a group discussion format that includes participants knowledgeable in the topics or issues of interests.
Method of obtaining detailed information on a phenomenon or subject of interest in a one-on-one fashion through phone calls or by face-to-face.
Method of obtaining detailed holistic information, that includes several dimensions of the subject of interests from individual or group referred to as a case.