In job analysis, we often need to consult people, usually job incumbents or supervisors, who have a great deal of expertise in how a particular job is done. These people are known as:

Maria (a girl) and Jose (a boy) are fraternal twins and are 10 years old

If their development is typical, Maria should experience the adolescent growth spurt in about ___ more years, and Jose should experience his adolescent growth spurt in about ____ more years. a. 2; 4 b. 2; 2 c. 1; 3 d. 3; 4

The nails, hair, teeth, and outer layer of skin develop from the

a. endoderm. b. ectoderm. c. mesoderm. d. neural tube.