The low sample size has greatly impacted the experiment's ability to accurately determine a specific mean, thus compromising effect on reliability and validity.

When collecting soil moisture (%) 20 trials were carried per sites in ‘Experience Ecology’.
how these eefect vailidity and realiabiloity one sentence

The low sample size of 20 trials per site in 'Experience Ecology' may affect the validity and reliability of the experiment by not providing enough data points to accurately determine the true mean soil moisture content.