Complex sentence: As the power increases, the chances of a Type II error (false negative), which are referred to as the false negative rate (β), decrease, as the power is equal to 1 − β.
Split into simpler sentences: As the power increases, the chances of a Type II error (false negative) decrease. The probability of a Type II error is referred to as the false negative rate (β) and the power is equal to 1 − β.