Joelle Was Conducting a Six-Month Experiment in Which She Was

question 67

Multiple Choice

Joelle was conducting a six-month experiment in which she was interviewing members of the community to determine if a new police-community outreach program increased positive perception of police officers amongst the community.Four months into the experiment,a scandal regarding police brutality hit the news in a neighboring city,which had an effect upon this community's perception of police.Which source of internal invalidity does this example reflect?

• A) maturation.
• B) instrumentation.
• C) compensation.
• D) selection biases.
• E) history.

---

Definitions:

Sleeper Effect

A phenomenon where a message that was initially discounted and deemed unconvincing becomes more persuasive over time.

Persuasion

The action or process of convincing someone to believe or do something through reasoning or argument.

Subconsciously

Relating to the part of the mind that is not fully aware but influences actions and feelings.

Moral Judgments

Evaluations or decisions made about the rightness or wrongness of actions, often based on ethical principles or societal norms.