Author Question: . Researchers have discovered that children experiencing Attention Deficit Hyperactivity Disorder ... (Read 103 times)

viki · **on:** Jun 20, 2018

. Researchers have discovered that children experiencing Attention Deficit Hyperactivity Disorder (ADHD) show improvements if they attend classes involving behavioral and social skills, compared to a group of ADHD children who did not attend the classes.

The group of children who attended the classes constitute the
a. experimental group.
b. independent group.
c. control group.
d. placebo group.

Question 2

When the difference between any two consecutive measurements on a measurement scale are equal, no matter where on the number line they fall, but you can't identify if one data point is twice the value of another, you are using what measurement scale?

a. Nominal
b. Ordinal
c. Interval
d. Ratio