Single Cross-sectional Design is a type of research design where one sample is drawn from the population of interest only once. Single Item Scale is a measurement scale that gathers opinions about an object on a single dimension. Single Product Test see monadic test. Single Response Question is one that asks respondents for only one answer. Single Source Data is data on a variety of behavioural habits from consumers in the same households, such as TV watching, reading and shopping habits.
Skewness refers to the symmetry of a distribution.
A skewed distribution is one where the mean, the median and the mode have different values, whereas in a symmetrical distribution they all have the same value. Smiling Face Scale is a balanced sequence of pictures of facial expressions that are often used in children's research to obtain satisfaction ratings. Smoothing is the process of removing fluctuations in an ordered series of data. Snowball Sampling is a type of non-probability sampling where initial respondents are selected at random and subsequent respondents are then selected by referrals or information from the earlier respondents. Social Class is a means of segmenting consumers into groups based on the occupation and income of the head of household.