Well many factors they look to see if you are avoiding eye contact, if you are shaky or shaken,also if you avoid certain questions in questioning, Hope this helps
The correct answer would be, B using tone and volume.
Plessy v. Ferguson was a court case that ruled that racial segregation in schools was constitutional, as long as it remained "separate but equal." However, the educational opportunities for African Americans still remained unequal.
Brown v. Board of Education later overturned the "separate but equal" doctrine, and this lead to the end of racial segregation in places of Education.
Answer:
In this research, environmental stimulation would be considered the independent variable.
Explanation:
In research, the independent variable is the characteristic that tends to be controlled or modifyed to study its effect on another variable (that is known as the dependent variable). In the case presented, the researcher wants to study the effect of environmental stimulation on the prain development; the dependent variable is the brain development of young infants and the independent variable is the environmental stimulation, that is believed to have an effect on the brain development (dependent variable).
If he were to conduct an experiment, he would control or change the environmental stimulation (independent variable) in order to observe the changes in the brain development (dependent variable).
