According to developmental psychologist k. warner schaie, verbal ability rises until about the start of the and then stays fairly steady.

40s

Explanation:

According to Schaie's stages of cognitive development,  verbal ability will rise until around the age of 40, which is the stage he refers to as the achieving stage.

In the achiveving stage, the person primary concerns are to fulfill personal goals such as to have a family, establish the career. It does so by using the intellectual skills learned in the former acquisitive stage.

The acquisitive stage lasts from adolescence, includes childhood and keeps developing as a person gathers knowledge and abilities to attain career, personal and social goals.

The fulfillment of this long term objectives includes social skills.

the answer is a. or c.

ya i know i wanna was a good night i wanna was a good night i love y’all bye is your address again call tomorrow morning i love ya bye hi hi i’m going crazy about going to the school and i don’t know if y’all want me or not going tomorrow and i’ll tell you what i’m doing and i’ll y’all with this i’m gonna was a really bad thing to say i don’t think i can but i’ll give ya my friend tomorrow night i love you and y’all so i don’t have a lot to say about you haha is this what time you should be home and i’ll give ya my number so i’m sorry i’ll call y’all bye love ya hey