See also this, for more specifics on the math involved: https://effectsizefaq.com/2010/05/31/what-is-statistical-power/ https://effectsizefaq.com/2010/05/31/wha

See also this, for more specifics on the math involved: https://effectsizefaq.com/2010/05/31/what-is-statistical-power/ https://effectsizefaq.com/2010/05/31/what-is-statistical-pow... The basic idea is: Get more data, especially if you're measuring something subtle.