Which of the following is true of good generalizations? a) they are grounded in one’s childhood experiences. b) they are similar to stereotypes. c) they are based on social scientific research. d) they are constructed from traditional authority.

They are based on social scientific research.

Explanation:

Generalisations are valid deductive inferences and it's applied in many disciplines. So, to generalize we need information that MUST be objective, that's why 'based on social scientific research' is the right answer, because scientific researches are objective, this means that the information is reliable to generalise. (Subjective is the opposite: not reliable)

Other answers are subjective and not qualified to support generalisations.

the old way of life was represented by superstition, an angry god, and absolute submission to authority. the thinkers of the age of reason ushered in a new way of thinking. this new way championed the accomplishments of humankind. individuals did not have to accept despair. science and reason could bring happiness and progress. kings did not rule by divine right. they had an obligation to their subjects. europeans pondered the implications for nearly a century. americans put them into practice first.

you should think about the answers you give and expect the same form your questions.