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Weighted and Unweighted Average SERVQUAL Scores?

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Safa Al-Nashmi
19
Safa Al-Nashmi
Technical professional specialist , Kuwait

Weighted and Unweighted Average SERVQUAL Scores?

If the unweighted average SERVQUAL score is 1.312, and the average weighted score is 30.606 what does that mean? I'm using the average discrepancy between a customer's expectations and the customer's perceptions for 5 SERVQUAL dimensions, likert-type scale were used for ranking the statements anchored 1 to 7 with “strongly disagree” and “strongly agree”, using 22 questions in total for 100 surveyed users. Please help?

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  Jaap de Jonge
2
Jaap de Jonge
Editor, Netherlands
 

The Unweighted Average SERVQUAL Score

The "Unweighted Average SERVQUAL Score" is simply the mean (=average) of the mean scores in the 5 dimensions.
For example, let's suppose you obtained following GAP scores (Perception score - Expectation score) per dimension:
Dimension 1. Tangibles - mean for this dimension (P-E): -0,65
Dimension 2. Reliability - mean for this dimension (P-E): -1,10
Dimension 3. Responsiveness - mean for this dimension (P-E): -0,83
Dimension 4. Assurance - mean for this dimension (P-E): -0,70
Dimension 5. Empathy - mean for this dimension (P-E): -1,01
This would mean your Unweighted Average SERVQUAL Score = (-0,65 + -1,10 + -0,83 + -0,70 + -1,01) : 5 = -4,29 : 5 = -0,86.
This means the customers expected your service level to be an average of 0,86 per dimension higher than what they actually got from your company.
By the way, because the perceived GAP in dimension 2 is the biggest, reliability could be the place to start improving your service quality.

  Jaap de Jonge
1
Jaap de Jonge
Editor, Netherlands
 

The Weighted Average SERVQUAL Score

The "Weighted Average SERVQUAL Score" is almost the same as the unweighted one, except that a weight is given to the 5 scores.
For example, the company you're investigating service quality for may find how sympathetic the customers are towards it's products the most important dimension. So it wishes to give a weight of 2 to the score in the dimension Empathy. All other dimensions are given a weight of 1.
This would mean the Weighted Average SERVQUAL Score = (-0,65 + -1,10 + -0,83 + -0,70 + (-1,01 * 2)) : 6 = -5,30 : 6 = -0,88.
This means the customers expected your service level to be a weighted average of 0,88 per dimension higher than what they actually got from your company.

 

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More on SERVQUAL
Summary Discussion Topics
topic Calculating the variations in expectations in SERVQUAL
topic Gap 5 in SERVQUAL model
topic The Standard SERVQUAL Questionaire
topic Extra SERVQUAL Dimensions
topic Using SERVQUAL for Employee Satisfaction
👀Weighted and Unweighted Average SERVQUAL Scores?
topic How to deal with Change in Perceptions in SERVQUAL?
topic Zone of Tolerance in Service Quality Expectations
topic Referencing 12manage
topic SERVQUAL Should Include Product Quality
topic Analyzing Gap 4 of SERVQUAL
topic How to Make Money from Value Added Services
topic Explanation of the SERVQUAL Gaps
topic Data Analysis Using SERVQUAL Model
topic Customer Service is an Opportunity to Differentiate your Business
topic How to analyze a Supply Chain Using SERVQUAL Model?
topic Definitions of Service Value
topic GAP Model versus SERVQUAL Model
🔥 Customer Service Excellence ( CSE)
topic How the SERVQUAL Model is Applicable in Health Care Organizations
topic Impact of Service Delivery on Strategy
Special Interest Group
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