Difference between PSM and CSM
1. How to Get the Certification
CSM certification by Scrum Alliance is easy to get by attending two days class/training. CSM is like a diploma course so you have your own choice of choosing an institute. You can enroll yourself in that institute, attend classes, and submit assignments. But, remember, you have only two attempts to pass this certification exam.
On the other hand, PSM certification exam by Scrum.org is not so easy. There are three levels of PSM certification – PSM I, PSM II, and PSM III.
You have to purchase a password from scrum.org to enroll yourself for PSM certification course. If you have a high level of scrum knowledge then you are able to take PSM I exam directly. But it is required to have a few years experience of implementing Scrum framework based on the real-life scenario.
2. Passing Rank
This is an important point of difference to consider while discussing PSM Vs CSM. For passing CSM certification exam, you have to score at least 69 % marks or you must give 24 correct answers out of 35 questions. But you have to score at least 85% marks to pass PSM certification exam. Thus, the Certified Scrum Master (CSM) certification has a low passing score as compared to Professional Scrum Master (PSM) Certification.
4. Exam Level
PSM certification exam is much harder as compared to the CSM certification exam. You can give CSM exam after taking 2 days training. PSM-I do not require any training if you have a complete knowledge of implementing Scrum. And, PSM-II and PSM-III exams are much harder as compared to PSM-I and need experience of few years in Scrum Methodology to pass these certifications. So, the comprehensive study of exam level of PSM Vs CSM specifies that the level of PSM certification exam is higher than CSM.
5. Certification Cost
CSM certification fee varies from the US $400 to the US $2500 depending on the institution and tuition fee. But if you fail to pass CSM exam on the first attempt then you can take it again within 60 days without paying any additional fee.
There is a standard fee for the different levels of Professional Scrum Master certification. The costs for PSM-I, PSM-II, and PSM-III certification exams are US$150, US$250 and US$500 respectively. Moreover, if you do not pass PSM-I assessment then there is a 2nd attempt within 14 days at no additional fee. So, the certification cost is the factor that makes a huge difference to choose from PSM Vs CSM.
7. Attainment of Certification
The attainment procedure is another factor that makes PSM Vs CSM certifications different from each other. One can attain CSM certification by the attendance i.e. by attending two days of training at a recognized institute of his choice. The attainment of PSM certification is not done by the attendance, instead, it’s done with the assessments. You need to pass assessments/exams for each level of the PSM certification to become a Professional Scrum Master.
Conclusion
To conclude, both the PSM and CSM certifications are highly appropriate for the Scrum Master. Both the certifications have their own significance. According to the above-mentioned point of differences, CSM can be considered less than the PSM but its antiquity makes it comparable to PSM. However, if you are focused to make a selection from PSM Vs CSM, the factors like no renewal, reliability, and cost makes PSM a better choice. On passing PSM certification, you will be recognized as a certified Professional Scrum Master.
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