highly significantp <10 −6
This effect is small; on average people get about 6% faster and spend about 1% less time buzzing, but highly significant ( p <10 −6 for both metrics, t -test).
This effect is small; on average people get about 6% faster and spend about 1% less time buzzing, but highly significant ( p <10 −6 for both metrics, t -test).
We did not find any evidence of impairment; it is not the case that we found a trend which failed to reach statistical significance.