Reading Comprehension: Main Idea, Detail, and Inference from Police-Context Passages
Key Takeaways
- CAT reading passages are short and police-context-loaded — scenario facts, policy paragraphs, or incident summaries — not literature
- Main-idea questions ask what the passage is mostly about; answer by ignoring details and naming the overarching topic in one phrase
- Detail questions are look-up questions — find the matching sentence in the passage and read it literally, do not infer
- Inference questions ask what must be true given the passage; a valid inference never requires outside knowledge and never contradicts a stated fact
- Distractor options for inference items often overstate (go beyond the text) or understate (weaken a stated conclusion) — eliminate both extremes
What CAT Reading Passages Look Like
The reading passages on the NJ LEE Cognitive Ability Test are short — typically one paragraph, sometimes two — and they are always loaded with police, corrections, or public-safety context. You will not see literature excerpts, poetry, or abstract essays. You will see incident summaries, policy paragraphs, patrol scenarios, and short procedural descriptions. The reading load is light; the precision load is heavy. The test is measuring whether you can extract the right fact, name the right overarching point, and draw the right conclusion without going beyond the text.
There are three question types you will see repeatedly:
- Main idea — what is the passage mostly about?
- Detail — what does the passage say about X?
- Inference — what must be true if the passage is true?
Each type has a different method. Mixing the methods is the most common source of errors.
A Worked Police-Context Passage
Read the following passage the way you would read it on the exam — once for the overall point, then scanning for specifics.
Officer Reyes responded to a report of a suspicious person in the parking lot of a closed retail store at 11:40 p.m. On arrival, she observed a man, later identified as Dalton, walking between parked cars and pulling on driver-side door handles. Dalton did not match the description of the original caller's suspicious person, who was reported as wearing a red jacket. Dalton wore a gray hoodie. Officer Reyes approached and asked Dalton what he was doing. Dalton said he was looking for his own car but could not identify the car's make, color, or license plate. Officer Reyes asked for identification; Dalton produced a Florida driver's license that had expired nine months earlier. A records check showed an active warrant for Dalton out of a neighboring county. Dalton was detained on the warrant. While waiting for the warrant confirmation, Officer Reyes noticed a window punch tool in Dalton's front pocket. The tool was not illegal to possess, and Dalton was not charged with any weapons offense that night. The incident report noted that the original 911 caller had described a different individual.
That is roughly the length and density of a real CAT passage. Notice how many specific facts are packed in: time, location, clothing mismatch, expired license, active warrant, window punch tool, no weapons charge. The questions will probe whether you can separate what the passage says from what it implies from what it does not say.
Main Idea Question
Question: The passage is primarily concerned with
- (A) the legal penalties for possessing a window punch tool in New Jersey
- (B) an officer's encounter with a suspicious person that led to a detention on an active warrant
- (C) why 911 callers frequently misidentify suspects
- (D) the proper procedure for confirming an out-of-state warrant
Answer: (B).
Why (B) is correct: The passage is a narrative of one encounter — Officer Reyes arriving, observing Dalton, questioning him, finding the warrant, and detaining him. Every sentence serves that narrative. The overarching topic is "an officer's encounter with a suspicious person that led to a detention on an active warrant," which is exactly (B).
Why the others fail: (A) is wrong because the passage explicitly says the tool was not illegal and Dalton was not charged — the passage is not about legal penalties. (C) is wrong because the clothing mismatch is one detail, not the focus of the passage; the caller's description is mentioned only once. (D) is wrong because the passage does not describe warrant-confirmation procedure at all — it only says a records check showed the warrant and Dalton was detained.
Main-idea method: Ignore the specifics. Ask, "If I had to give this passage a one-line title, what would it be?" The correct answer is the one that covers every sentence without zooming in on one detail.
Detail Question
Question: According to the passage, Dalton's identification was
- (A) a valid New Jersey driver's license
- (B) a Florida driver's license that had expired nine months earlier
- (C) a Florida driver's license that was current but did not match the car he claimed
- (D) not produced — Dalton refused to provide identification
Answer: (B).
Why (B) is correct: The passage states, "Dalton produced a Florida driver's license that had expired nine months earlier." This is a straight look-up. Find the matching sentence, read it literally, and choose the option that restates it.
Why the others fail: (A) is wrong on two facts — it was a Florida license, not New Jersey, and it was expired, not valid. (C) invents a detail ("did not match the car he claimed") that the passage does not state about the license; Dalton could not identify the car, but the passage never says the license did not match a car. (D) directly contradicts the passage — Dalton did produce identification.
Detail method: Scan the passage for the keyword from the question (here, "identification" or "license"). Read the matching sentence word for word. Do not infer. Do not add. The correct answer is a restatement, not an interpretation.
Inference Question
Question: It can reasonably be inferred from the passage that
- (A) Dalton was the suspicious person the 911 caller had reported
- (B) Officer Reyes had grounds to charge Dalton with possession of a weapon for an unlawful purpose that night
- (C) Dalton's explanation that he was looking for his own car was not credible
- (D) the active warrant was issued in New Jersey
Answer: (C).
Why (C) is correct: The passage says Dalton claimed he was looking for his own car but could not identify the car's make, color, or license plate. If a person cannot identify the make, color, or plate of the car he claims to own and be looking for, the claim is not credible. This inference requires no outside knowledge — it follows directly from the stated facts.
Why the others fail: (A) is wrong because the passage explicitly notes the clothing mismatch — the caller described a man in a red jacket, Dalton wore a gray hoodie — and the incident report noted the caller had described a different individual. Inferring Dalton was the reported person contradicts the passage. (B) is wrong because the passage says the window punch tool was not illegal to possess and Dalton was not charged — inferring grounds for a weapons charge contradicts the stated outcome. (D) is wrong because the passage says the warrant was "out of a neighboring county," not that it was issued in New Jersey; the neighboring county could be in New Jersey, but the passage does not say so, so you cannot infer it.
Inference method: A valid inference must be forced by the text. Ask, "If this passage is entirely true, must this option also be true?" If the answer is "not necessarily," the option is a distractor. Eliminate any option that contradicts a stated fact, that requires outside knowledge, or that merely "could be true" without being forced.
Three Mistakes That Cost CAT Points
| Mistake | What it looks like | Fix |
|---|---|---|
| Over-reading a detail question | Choosing an option that "adds up to" the passage instead of restating it | Restate, do not interpret — detail answers are paraphrases |
| Under-reading an inference question | Choosing a detail restatement when the question asks what must be true | Inference answers go one step beyond the text, but only one |
| Picking the first option that sounds police-related | Choosing (A) in the main-idea question because it mentions a window punch tool | Read all four options before choosing — police-sounding distractors are common |
Reading comprehension on the CAT rewards literal accuracy, not imagination. The passages are short enough that you can re-scan them for each question — do it, especially on detail items. On inference items, hold every option to the "must be true" standard and eliminate anything that only "could be true."
On a CAT main-idea question, which approach is most reliable?
A passage states that an officer observed a suspect "walking between parked cars and pulling on driver-side door handles." A detail question asks what the officer observed. Which option is the correct restatement?
Which of the following is a valid inference from the worked passage about Dalton?