The dividend option that applies dividends to buy small amounts of additional permanent, paid-up coverage is called:

Explanation

The paid-up additions option uses each dividend as a single premium to purchase a small amount of additional paid-up whole life coverage, which itself earns dividends and builds cash value. The cash option simply pays the dividend to the owner. Reduction of premium applies the dividend against the next premium due. Accumulation at interest leaves the dividend with the insurer to earn interest. Paid-up additions are popular because they increase both the death benefit and cash value over time.