What Is the Purpose of Adding a Blocking Variable to a Randomized

question 7

Multiple Choice

What is the purpose of adding a blocking variable to a randomized block design ANOVA experiment?

• A) To factor out the effects of the block on the means of the groups
• B) To increase the overall sample size and reduce the standard errors
• C) To investigate the effects of the block on the means of the groups
• D) To reduce the variation and observed differences between groups

---

Definitions:

Attachment

The strong, enduring, emotional bond between a child and its caregivers that some psychologists consider the basis for relationships later in life.

Moral Reasoning

The process of determining right and wrong in a given situation based on ethical principles and moral codes.

Permissive

An adjective describing a type of behavior or attitude that is tolerant, lenient, or not strict.

Authoritative

Describing a commanding and confident nature or approach, often associated with respect and compliance from others.