Meaning: 'Average' refers to the central or typical value in a set of data, indicating that most people who are more religious tend to score lower than the average on intelligence tests.

Wrong options:

• instance: 'Instance' refers to a specific occurrence and does not convey the generality needed in this context.
• norm: 'Norm' implies a standard or typical pattern but does not fit as smoothly as 'average' in this specific grammatical structure.
• rarity: 'Rarity' indicates something uncommon, which contradicts the idea of a general trend or correlation being discussed.

Correct answer: imply

Explanation: The word 'imply' is the correct choice as it indicates that correlation does not suggest a direct cause-and-effect relationship, fitting both grammatically and contextually.

Meaning: 'Imply' means to suggest or indicate something indirectly, which is essential in understanding the nature of correlation.

Wrong options:

• ply: 'Ply' is a verb that means to work steadily at something, which does not relate to the context of correlation and causation.
• comply: 'Comply' means to act in accordance with a wish or command, which is irrelevant to the discussion of correlation.
• reply: 'Reply' refers to responding to a question or statement, which does not fit the context of discussing relationships between variables.

Correct answer: intuition

Explanation: The word 'intuition' fits well as it refers to the ability to understand something instinctively, which aligns with the idea of relying on non-analytical thinking.

Meaning: 'Intuition' means the ability to understand something immediately, without the need for conscious reasoning, suggesting a more instinctive approach to beliefs.

Wrong options:

• exposure: 'Exposure' refers to the state of being exposed to something, which does not relate to the cognitive processes involved in forming beliefs.
• ethnicity: 'Ethnicity' refers to a social group with a common national or cultural tradition, which is unrelated to the cognitive processes discussed.
• criticism: 'Criticism' involves the expression of disapproval based on perceived faults, which does not fit the context of cognitive reliance.

Correct answer: protect

Explanation: The word 'protect' is appropriate as it indicates safeguarding against cognitive decline, fitting both grammatically and contextually within the sentence.

Meaning: 'Protect' means to keep safe from harm or injury, suggesting that church attendance can help maintain cognitive health.

Wrong options:

• contradict: 'Contradict' means to assert the opposite of a statement, which does not align with the positive connotation needed in this context.
• grant: 'Grant' means to give or allow, which does not convey the idea of safeguarding against decline.
• waver: 'Waver' means to fluctuate or be indecisive, which is contrary to the idea of providing consistent support against cognitive decline.

Correct answer: stimulation

Explanation: The word 'stimulation' fits well as it refers to the act of encouraging activity or growth, which aligns with enhancing brain function.

Meaning: 'Stimulation' means the act of encouraging or arousing interest or activity, suggesting that church attendance can enhance cognitive engagement.

Wrong options:

• assessment: 'Assessment' refers to the evaluation or estimation of the nature, quality, or ability of something, which does not fit the context of enhancing brain function.
• observation: 'Observation' means the action of observing something or someone, which does not relate to the active engagement implied by 'stimulation.'
• suppression: 'Suppression' means the act of preventing something from being expressed or revealed, which is the opposite of what is intended in this context.