Sequential Monadic Evaluation is where two or more products or ideas are each evaluated on their own, one after the other. The sequence is usually rotated to minimize order bias (ie respondents favoring an object or idea because of its position in a list).
Sensory Test is an examination of some or all aspects of products that are perceived by the five senses.
Semi-structured: An interview or questionnaire is semi-structured when many or all of the questions are open-ended, allowing the interviewer to clarify and probe the answers given by respondents.
Segmentation is the process of dividing markets into groups of consumers who are similar to each other, but different from the consumers in other groups.
Screening is the procedure of asking specific questions to determine whether respondents are eligible to participate in a particular research study. This is done at the very beginning of an interview.
Sampling Frame is a list of the population of interest that is used to draw the sample in a survey, eg a telephone directory or a list of members of a profession.
Sampling Error is the error in a survey caused by using a sample to estimate the value of a parameter in the population.
Sample Size is the number of sample units to be included in the sample.
Rotation Procedure is the process of asking questions or showing the material to respondents in a different order for every interview according to a set of instructions. This process minimizes the risk of order bias (ie respondents favoring objects because of their position in a list).
Response Rate is the percentage of all attempted interviews that are completed.