Which of the Following Is a Weakness of a Posttest-Only

question 9

Multiple Choice

Which of the following is a weakness of a posttest-only control group design?

• A) Researchers have limited information available about group equivalence prior to treatment.
• B) It is expensive to the researcher in terms of time and effort.
• C) Confidentiality of the responses is compromised as the participants are unable to respond anonymously.
• D) Repeated testing may be occasionally bothersome to some participants.

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Definitions:

Atomic Sentences

Simplest statements that do not contain any logical connectives or only have a single predicate, often corresponding to a single fact or proposition.

Truth Values

The validity status of a statement, which can be either true or false in classical logic.

Truth Table

A mathematical table used in logic to compute the truth values of logical expressions based on their truth values of their components.

Atomic Sentences

Simple sentences that contain no logical connectives or only one predicate that asserts something about a subject.