Which of the following statements is an advantage of statistical designs?
A) Economical designs can be formulated when each test unit is measured more than once.
B) The effects of more than one independent variable can be measured.
C) Specific extraneous variables can be statistically controlled.
D) All of the statements are advantages.

Question

Quizplus · Accepted Answer

Statistical designs offer all three of the advantages listed, making them a powerful tool for research and experimentation. By measuring each test unit multiple times, economical designs can be formulated. By measuring the effects of multiple independent variables, researchers can more fully understand the relationships between different factors. And by controlling for specific extraneous variables, researchers can ensure that their results are reliable and meaningful.

Which of the Following Statements Is an Advantage of Statistical