summary method for class
an object of class
further arguments from other methods - will be ignored in the summary
Van Westendorp, P (1976) "NSS-Price Sensitivity Meter (PSM) – A new approach to study consumer perception of price" Proceedings of the 29th ESOMAR Congress, 139–167. Online available at https://rwconnect.esomar.org/a-new-approach-to-study-consumer-perception-of-price/.
Newton, D, Miller, J, Smith, P, (1993) "A market acceptance extension to traditional price sensitivity measurement" Proceedings of the American Marketing Association Advanced Research Techniques Forum.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.