Is this a true or non experiment? Two researchers have designed a new tanning lotion guaranteed to tan the palest of pale swimmers. 46 pale swimmers are randomly assigned to either the new tanning lotion group or the old tanning lotion group. The new group uses the revolutionary tanning lotion for 3 weeks and the old groups uses the most popular brand of tanning lotion for 3 weeks. After the treatment period, more swimmers using the new lotion consider themselves tan than not tan, while more swimmers using the most popular tanning lotion consider themselves not tan rather than tan