Observational research is a method of data collection that has become associated with qualitative research. Compared with quantitative research and experimental research, observational research tends to be less reliable but often more valid. The main advantage of observational research is flexibility. The researchers can change their approach as needed. Observational research measures behavior directly, rather than the subject's self-reports of behavior or intentions. The main disadvantage is it is limited to behavioral variables. It cannot be used to study cognitive or affective variables.
Generally, there are three methods used to collect data in observational research:
In marketing research, the most frequently used types of observational techniques are:
Richie, J and Lewis, J., Qualitative Research Practice: A Guide for Social Science Students and Researchers, Thousand Oaks, CA, Sage Publications, 2003, p. 3
Kazdin, Alan (2002), Research Design in Clinical Psychology, 4th ed., Needham Heights, MA, Allyn & Bacon. ISBN 0-205-33292-7 Chapter 9 /wiki/ISBN_(identifier)
Grove, S.J. and Fisk, R.P., "Observational data collection methods for services marketing: an overview,"
Journal of the Academy of Marketing Science, Vol. 20, No. 3, 1992, p. 219
Holigrocki, R. J., & Kaminski, P. L., "A structural and microanalytic exploration of parent-child relational psychopathology," Constructivism in the Human Sciences, Vol. 7, 2002, pp 111-123; Holigrocki, R. J, Kaminski, P. L., & Frieswyk, S. H., "Introduction to the Parent-Child Interaction Assessment," Bulletin of the Menninger Clinic, Vol. 63, No. 3, 1999, 413–428.
Becker, H.S., "Problems of Inference and Proof in Participant Observation," American Sociological Review, Vol. 23, No. 6, 1958, pp. 652-660
Grove, S.J. and Fisk, R.P., "Observational data collection methods for services marketing: an overview,"
Journal of the Academy of Marketing Science, Vol. 20, No. 3, 1992, pp 217-224
Housden, M., CIM Coursebook 05/06: Marketing Research and Information, Elsevier Butterworth-Heinemann, 2005 [e-book edition]
Kunzli, A., "Empirical Approaches," in Handbook of Translation Studies, Yves Gambier and Luc van Doorslaer (eds), Volume 4, John Benjamin, 2003, pp 53-98
Drisko, J. and Maschi, T., Content Analysis, Oxford University Press, 2016