Which of the following definitions is correct?

a. seriation refers to the tendency to focus on a single dimension, aspect, or quality of an object, problem, or situation.
b. classification refers to organizing items into categories.
c. both of these definitions are correct.
d. neither of these definitions is correct.

The correct answer is: b) classification refers to organizing items into categories.

Explanation:

According to Piaget's Theory of Cognitive Development, the characteristics of preoperative thought within the intuitive substage are centration, conservation, irreversibility, class inclusion and transitive inference. Centration (and not seriation) refers to the act of focusing all attention on one characteristic or dimension of a situation, disregarding the others.

this is a pretty broad question and can be a pretty lengthy answer. since 1900, women have gained a lot more rights and have become active in the workforce. with women being in the workforce, men play a larger role in family life. many family tasks are shared between men and women, whereas, women used to be the sole family caretakers.

that should get you started at least.