Paired Depth see friendship pair interview. Pairwise Deletion is a treatment of survey data where only the completed questions are analysed, ie partially complete responses are not excluded from the analysis.
Panel see consumer panel.
Pantry Check see home audit. Parameter is a summary measure used to describe a group of people or objects that is based on data from all units in the group. Participant is a general term covering anyone who is involved in a research study and not just someone who is interviewed, eg in an observation study or a group discussion. Pearson Coefficient see product moment correlation coefficient. Perceptual Mapping is an analysis technique that is designed to demonstrate how consumers view a concept or brand relative to the alternatives.