On-line Service Quality

 
Tim Tyler

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The pioneering authors of SERVQUAL have turned their attention to online shopping service quality and the result is a measurement instrument that we think has 'legs'; E-S-QUAL

Research on service quality has typically concentrated on services delivered by people; the instruments that have been widely used for measuring service quality may not be appropriate or useful when evaluating the quality of no-people e-service.  And many of the commonly used measures of online behaviour are just that - behavioural - frequency, time and click-based.

At the same time, Satmetrix&Reichheld's Net Promoter Score (NPS) has proven to be an effective foundation for integrated customer relationship / service programs. It does a great job of highlighting when things are going well or badly (or unremarkably) but does not tell you, on its own, what exactly is the cause / appropriate action.

Mmmmm... an opportunity?

The E-S-QUAL instrument measures 4 empirically derived dimensions important to customer perception of e-service quality (Amazon and Walmart sites were used to confirm the instruments' validity and reliability);

  1. Efficiency: The site can be used easily and quickly
  2. Fulfillment: The site fulfills its promises about order delivery and item availability
  3. System Availability: the site functions properly
  4. Privacy: The site is safe and protects customer information

  The E-RecS-QUAL instrument measures the 3 dimensions important to service recovery quality following service failure;

  1. Responsiveness: The site handles problems (and returns) effectively
  2. Compensation: The site compensates customers for problems
  3. Contact: Assistance is available through telephone or online representatives

E-S-QUAL also measures Perceived Value received on the site - NPS seems to be a valid alternative to these questions.

Idea - combine the 2 into a single instrument for the measurement and management of service quality while shopping online. Customers could tell you what they think and why, so you know what remedial action is required.