Is it a dark pattern to change Radio buttons into a Dropdown?

1. What is the difference between radio button and dropdown?
2. Under what circumstances is a select menu used instead of a radio button group?
3. Should I use radio buttons?

What is the difference between radio button and dropdown?

Radio buttons and drop-down lists can be used interchangeably, but a Web designer may opt to use one over the other depending on the use case. Radio buttons display all options on the screen by default, whereas drop-down lists expose the options when activated. However, drop-down lists take up less screen space.

Under what circumstances is a select menu used instead of a radio button group?

A select dropdown is recommended when there are more than 7 options available because the form becomes cluttered and long. However, if the user almost always needs to the change the value (the default is rarely right), then you may want radio buttons even if there are more than 7 options.

Should I use radio buttons?

When should you use radio buttons or checkboxes? This relies entirely on what question you are asking. If you want your users to select multiple options, use checkboxes. If you want your users to select only one option, use radio buttons (or another alternative).