Which of the following is true of experimental data?

a. Experimental data is sometimes called retrospective data.
b. Experimental data cannot be collected in a controlled environment.
c. Experimental data is sometimes called observational data.
d. Experimental data are collected in laboratory environments in the natural sciences.

Give reason why some traditional caribbean customs are presently changing

Why some people argue that the new deal reinforces traditional gender differences

Persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research was approved.persons who are under 18 years of age.persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research will be conducted.persons who are under 21 years of age.