Overall score for my doctor

Hi John,

I saw my doctor- Dr.Oyebode Arojojoye today.He is based in Abbotsford, British Columbia. He has been encouraging a lot of his patients to post ratings on his site. However his average score has not increased despite several positive ratings. Other psychiatrists in his area have way fewer good ratings and better scores.Is your scoring system fair? Does someone review the ratings frequently. I notice that doctors with foreign names appear to have the same problem. Is there a racial bias here? I was just wondering.

Thanks
Susan 994

A rating can't get much

A rating can't get much higher than his. He has so many reviews that his overall rating won't change much. Anyone with enough reviews is bound to get a bad one once in a while. Docs with perfect scores just don't have that many reviews.

His score always drop quickly

His score always drop quickly by 1 point when he receives 1 slightly negative rating but does not go up even after 3 or 4 positive ratings. Other doctors with similar scores of 4.2 or 4.3 have roughly the same amount of negative ratings and way less positive ones.They still maintain a reasonable score. How does one explain the difference without an element of bias? Look up Dr. R Ancill and Dr. P Strauss both based in Abbotsford.

Susan994 wrote: His score

Susan994 wrote:

His score always drop quickly by 1 point when he receives 1 slightly negative rating but does not go up even after 3 or 4 positive ratings. Other doctors with similar scores of 4.2 or 4.3 have roughly the same amount of negative ratings and way less positive ones.They still maintain a reasonable score. How does one explain the difference without an element of bias? Look up Dr. R Ancill and Dr. P Strauss both based in Abbotsford.

You can calculate the average manually. Take an average of all the numbers appearing in the last three columns and you should arrive at 4.4. Any additional rating would have an effect of only 2.3% (weighting of 1 in 43 ratings) on his average or .03 in the number. If a new rating contained all 1s, that would translate to a drop of only 0.15, resulting in a new score of 4.1 or 4.2 (depending on the rounding in the original 4.4).

But how does one explain the

But how does one explain the disparity in scoring. One doctor has 40 great ratings and 5-6 bad ones, his score is 4,4. Another doctor has 4 bad ratings and 13 great ones and his score is 4.3. It does not make good sense mathematically.

Susan994 wrote: But how does

Susan994 wrote:

But how does one explain the disparity in scoring. One doctor has 40 great ratings and 5-6 bad ones, his score is 4,4. Another doctor has 4 bad ratings and 13 great ones and his score is 4.3. It does not make good sense mathematically.

You're being subjective. If the 5-6 bad ones deviated from the good ones insufficiently, that would not necessarily lower the average appreciably. The rating is a simple average of the non-staff ratings.

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