Societal development is planned and spontaneous. justify

Societal development is planned and spontaneous, because a society is not build in single day, or nor even built by any individual.

It is the experience people gain from living and learning, which leads to growth of the different rules in a society.

As rules and regulation are made for the betterment of human life, on the analysis of years of experience, so it can be called as planned and spontaneous.

answer; i believe the correct answer is (4) flip a coin as each participant arrives,heads indicates assignment to the first group: tails indicates assignment to the second group;

answer; i believe the correct answer is norming;