Pricing Research is research that aims to determine how demand for a product or service will vary with changes in price.
Pre-testing (aka Pilot Testing) is when the questionnaire is tried on a (statistically) small group of respondents to identify any unforeseen problems such as the wording or flow of the questions.
Placement Test: see home use test.
Pilot Testing: see pre-testing.
Personalization Technique is a projective technique where participants are asked to ascribe “personality-type” traits or characteristics to an object or idea.
The participant is a general term covering anyone who is involved in a research study and not just someone who is interviewed, eg in an observational study or a group discussion.
Outliers are extremely small or extremely large values in a set, compared with the mean of all values in the set.
OTS – Opportunities to See: see frequency.
Open-ended Questions (aka Unstructured Questions) are questions that do not have a set of anticipated responses listed on the questionnaires. The interviewer records the respondent’s verbatim response. When the survey is interviewer-administered, the respondent is encouraged to respond completely and freely with the use of probing and clarifying techniques. These questions may also be self-administered.
Omnibus Study is a periodic study that asks questions on a number of unrelated subjects. The results may be completely or partially syndicated among clients.