Traditionally, a correlation is deemed statistically significant if it
a. is less than -.05 or greater than .05.
b. would occur by chance alone less than 5 times out of 100.
c. is less than -.95 or greater than .95.
d. is greater than 1.00.
Question 2
A drug company has developed a new treatment for attention-deficit hyperactivity disorder in children. They design a study that looks at the effectiveness of the drug separately in boys and girls across three different dosage levels. What is the term for this type of study design?
a. AB study design
b. mixed study design
c. within-subjects design
d. correlational design