#### Answer

Statistical significance is achieved in a study when a result is unlikely to be due to pure chance, whereas practical significance describes a finding's practical or realistic effect. A finding can be statistically significant but have little to no practical significance.

#### Work Step by Step

For example, a weight loss study that results in an average weight loss of 2 kg may be statistically significant, but the amount of weight lost is not very practical for a weight loss program so there is little practical significance.