Greetings! Would anyone be kind enough to offer me some suggestions? I’m conducting a survey on community infrastructure and residents’ health, and I’m wondering what information I should gather first to determine the sample size.

Not at all

I greatly appreciate your help.

To proceed, you'll need to acquire the desired power, expected effect size, and acceptable level of significance. For additional guidance, I highly recommend visiting the website, where you'll find web-based audiovisual learning materials that are incredibly valuable.