Test scores, washing dishes, or picking up garbage could be measured by the effect of the behavior on the environment after it has occurred. these behaviors could be measured using the natural procedure known as

these behaviors could be measured using the natural procedure known as Permanent product
permanent product is the end result of behavioral modification in order to achieve the desired outcome. It considered as 'permanent' because the subject will most likely to make the behavior into a daily habit. 

This is what i found on google “eightin 1997, the mccaughey septuplets were born in carlisle, iowa. multiple births of as many as eight babies have been born alive, the first set on record to the chukwu family in texas in 1998; one died and seven survived. in 2009, a second set, the suleman octuplets, were born in bellflower, california.” i was surprised about this . i don’t want to have that many babies .