Why Random Results Often Do Not Feel Random
You draw a 4, then another 4, and a friend says the tool is broken. It almost never is. Random results just look different from what most people expect.
We expect too much variety
If you ask people to write down a random series of coin flips, they usually avoid long runs of heads or tails. Real flips include them often. In a series of 20 flips, a run of four or more of the same side is quite likely.
Repeats are normal
On a 1 to 10 generator, the chance that the next number matches the last one is one in ten. Over a hundred presses, you should expect about ten repeats. If you never saw a repeat, that would be more suspicious than seeing several.
The generator does not remember
Each press is independent. After five heads in a row, the next flip is still fifty-fifty. A number that has not appeared for a while is not due, and a number that just appeared is not less likely.
When you actually want to avoid repeats
Sometimes a group does want every option used once before any repeats, like turn-taking in a classroom. That is a different thing from pure randomness. Switch off Allow duplicate numbers in the number tools, or use Remove winner on the wheel, and each option appears once.
What this means for giveaways
If the same person wins twice in a row in different draws, that is not evidence of cheating by itself. If you want to rule it out, exclude previous winners in your rules and in the draw, and say so in advance.
The short version
- Streaks and repeats are normal.
- Every press starts fresh.
- Judge fairness by the method, not by one result.
- For turn-taking, use no-repeat settings on purpose.