Conversion of Behaviour ratings to Overall Form Rating
There is a requirement from client asking the possibility to convert Behaviour Rating of competency to Overall Form Rating for calculations. When I checked the feasibility, Behaviour Rating was on 2 point rating scale whereas Overall Form Rating was on 5 points scale. After thorough understanding, I could understand the mapping competency Behaviour rating to Overall Form Rating.
I would like to explain here, how the system calculates PM Form Rating in case of conversion or rating scale as mentioned above.
Let us take below example
There two weightages given to form – 50% weightage on Goal Section which is with 5 point rating scale and 50% weightage on competency behaviour rating which is with 2 point rating scale
How can we achieve this scenario?
To achieve this, we need to have the following prerequisites:
- Behaviour mapping in competency – Assign behaviour to competency from Manage Competencies as per below screenshot
- Create rating scale with 2 point ratings
- Map Rating scale in competency section of PM Form in Manager Templates
- You need to make the following selection to show behaviours and its rating options for Employee and his Manager (E & EM) in Manage Templates
- Configure adjusted rating scale in Manage Template through General Settings -> Show Advanced Options -> on Scale Adjusted Calculation
- Configure a range of 5 point rating scale
How the system calculates behaviour rating?
While rating on behaviors, the system gives a calculated rating for each competency by the following method:
Behavior 1 = Yes (2)
Behavior 2 = No (1)
Behavior 3 = Yes (2)
Calculated Rating: 5/3 = 1.67
Behavior 4 = Yes (2)
Behavior 5 = No (1)
Calculated Rating: 3/2 = 1.5
Note: Calculated Rating will be read-only and cannot be hidden.
Overall Competency Score in Summary Section
Average of competency 1 and competency 2 = (1.67+1.5)/2 = 1.59
- Goals are already on 5-point scale: Score of Goals = 3, section weight = 50%
- No conversion required for Goals Rating
- Score of Overall Competency = 1.59, Section weight =50%
- The conversion required from a 2-point rating scale of competency to score of 5-point scale score
(((score – original min)/(Original max- Original Min))*(new max- new min))+new min
Competency Rating conversion à (((1.59-1)/(2-1))*(5-1))+1 = 3.36
Calculation of Section Weightages for Goals and Competencies scores
Goals à(3*50%) = 1.5
Competency à(3.36*50%) = 1.68
Performance Form Calculated Rating on a 5-point scale
Performance Form Rating: 1.5 + 1.68 = 3.18
Map 3.18 in adjusted calculated rating scale configured in Pre-requisite section àpoint 5 above
The following are few limitations :
- Visibility control of Calculated Rating of each competency in Competency Section is not possible
- Visibility control of itemized Competency or Goals part in a Summary section is not possible.
Hope this will help to understand the concept of mapping different rating scales with each other.
Rama Rani Rana