<span>this causes some bias, because people without phones cannot be in the sample</span>
Irreversibility refers to the preoperational child's tendency to "believe that what has been done cannot be undone".
Irreversibility is a phase in early child advancement in which a kid erroneously trusts that activities can't be turned around or fixed. For instance, if a three-year-old kid sees somebody straighten a ball of play dough, he won't comprehend that the batter can without much of a stretch be changed into a ball. Kids regularly develop past this phase by age seven.
The first congress did not yet have the desire for independence, they just wanted to go back to normal, meaning that the laws be repealed. Already the second congress wanted the total independence of England.