Direct Communication

There are many different ways for the investigator to collect data from subjects by communicating directly with them either in person, through others or through a document, such as a questionnaire. Direct communication is used in both qualitative and quantitative research. Each has a number of different techniques:

1. Qualitative research techniques

• In-depth interview
• Focus group
• Projective methods
• Case study
• Pilot study

2. Quantitative research techniques

• Telephone
• Self-administered
• In-person Interview