Booking.com has this grade inflation issue. if something is shit but you rate everything else fairly (things like location, staff friendliness, etc), the final score will be 7 or 8.. in summary: I had a lousy experience, 7/10!

It takes some experience to realize that a place graded 7.x probably has serious issues.

▲

cperciva 8 hours ago | parent | next [-]

The problem here is that "mean" is a poor average. For hotels, if you're rating in 10 different categories, you really want a single 0/10 to bring the overall score down by way more than one point.

The opposite situation can also occur. At my university, entrance scholarships were decided a few years ago based on students' aggregate score across 25ish dimensions (I can't remember the exact number) where students were each rated 1-4. Consequently a student who was absolutely exceptional in one area would be beaten out by a student who was marginally above average in all the other areas. I suggested that rather than scoring 1-4 the scores should be 1/2/5/25 instead.

▲

rsynnott an hour ago | parent | prev [-]

Honestly, the ratings on those sites are essentially useless anyway, because people are bad at reviewing.

I generally sample the lowest rating written reviews, to check if people are complaining about real stuff, or are just confused. For instance, if a hotel doesn't have a bar, some of the negative reviews will usually be about how the hotel doesn't have a bar; these can be safely ignored as having been written by idiots (it is not like the hotel is hiding the fact that it doesn't have a bar).

Occasionally some of the positive reviews are similarly baffling. Was recently booking a hotel in Berlin in January, and the top review's main positive comment about the hotel was that it had heating. Well, yeah, I mean, you'd hope so. I can only assume that the reviewer was a visitor from the 19th century.

	▲	sgerenser a minute ago \| parent [-]
		The worst thing I’ve found with positive reviews is ones that are obviously fake/incentivized. I looked up reviews recently for a hotel that I used to stay at a lot for work, and had gone way downhill with many issues (broken ACs, mold, leaking ceilings, etc.). I was curious if they ever fixed their problems. I was at first surprised that they had a fairly positive overall review rating. But looking deeper, the many negative reviews were just crowded out by obviously fake reviews. Dead giveaways: every single one named multiple people by name. “Dave at the front desk was just so friendly and welcoming! Barbara the housecleaner did a fantastic job cleaning. And Steve the bartender just made my day! I love this hotel! 5 stars!” (Almost) nobody reviewing a hotel for real does that.