What is the primary difference between counseling and an art and counseling as a science​

In which research method does a researcher change the value of one variable to determine how the change affects another variable? a. experiment b. observational research c. survey d. case study

Lots of points: economics: a benefit, such as health insurance, paid vacation, or a retirement plan, that is received by an employee in addition to regular pay is known as a. a fringe benefit b. a pension c. a grievance d. workers’ compensation

Why does the united states constitution require that a national census be taken every ten years?