True
Subjective observation introduces personal biases and opinions, which can lead to a lack of objectivity in professional assessment. It may cloud judgment and hinder the ability to make impartial and accurate evaluations based on facts and evidence. Professional observations aim to be objective, relying on standardized criteria and expertise to ensure reliability and validity in the assessment process.
Expertise is the skill you have acquired and experience is the duration you have spent to acquire that skill. So one can say expertise grows out of experience.
I am looking for a man of experience with expertise in these matters.
I have expertise and experience in the field of digital marketing and social media management.
Functional Assessment
clinical psychologists
His expertise was in designing aircraft, not actually flying them. Lacking any programming experience, they sought out someone with the necessary expertise.
Experience is the knowledge by virtue of committed mistakes.
discussion
expertise -> compétence (f., usually pl.) The word "expertise" also exists in French (I assume that's where we got it), but it is not as common and is only used for very specialized areas.
You probably do not have a lot of space on an application form to go into great details. Pick a work example and highlight your skills, experience, and expertise as succinctly as you can.
Create a forum or website on whatever topic of expertise is under discussion, in time hopefully the people with the knowledge and experience will help the people searching for the answers under that specific expertise.