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3.2 Supporting Details, Factual Extraction, and Structural Analysis

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CAT-ASVAB Computer Adaptive ASVAB

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1 Chapter 1: CAT-ASVAB Overview, Adaptive Mechanics & Test Strategy

1.1 CAT-ASVAB Architecture, MEPS Administration & Subtest Structure 1.2 Computer Adaptive Testing (CAT), IRT Engine & Pacing Rules 1.3 AFQT Scoring Formula, VE Weighting & Service Branch Minimums 1.4 Military Composite Line Scores & MOS/AFSC/Rating Classification

2 Chapter 2: Word Knowledge (WK)

2.1 Greek and Latin Roots, Prefixes, and Suffixes 2.2 Context Clues, Secondary Meanings, and Nuanced Synonyms 2.3 Military, Technical, and Formal Vocabulary in Context 2.4 High-Frequency Word Bank and the 36-Second Word-Attack Protocol

3 Chapter 3: Paragraph Comprehension (PC)

3.1 Identifying Main Ideas, Central Themes, and Author Purpose 3.2 Supporting Details, Factual Extraction, and Structural Analysis 3.3 Inferences, Contextual Meaning, and Tone Evaluation

4 Chapter 4: Arithmetic Reasoning (AR)

4.1 Translating Complex Word Problems into Algebraic Expressions 4.2 Ratios, Proportions, Rates, and Combined Work Problems 4.3 Percentages, Interest, Profit, and Financial Math 4.4 Applied Geometric Word Problems (Area, Perimeter, Volume)

5 Chapter 5: Mathematics Knowledge (MK)

5.1 Number Properties, Exponents, Radicals, and Polynomials 5.2 Linear Equations, Quadratic Equations, and Inequalities 5.3 Geometric Principles, Coordinate Geometry, and Trigonometry Fundamentals 5.4 Basic Probability, Permutations, Combinations, and Statistics 5.5 Fractions, Rational Expressions, and Non-Calculator Computation

6 Chapter 6: General Science (GS)

6.1 Cellular Biology, Human Anatomy, and Biological Systems 6.2 Chemistry Fundamentals, Atomic Structure, and Reactions 6.3 Classical Physics, Energy, Forces, and Motion 6.4 Earth Science, Meteorology, Astronomy, and Environmental Science 6.5 Scientific Method, Measurement Systems, and Laboratory Instruments

7 Chapter 7: Electronics Information (EI)

7.1 Voltage, Current, Resistance, Ohm's Law, and Power 7.2 Circuit Analysis: Series, Parallel, and Combination Circuits with Kirchhoff's Laws 7.3 Electronic Components, Semiconductor Devices, and Schematic Symbols 7.4 Magnetism, Electromagnetism, Motors, and Generators 7.5 Circuit Protection, Wiring, Measurement Instruments, and Electrical Safety

8 Chapter 8: Auto Information (AI)

8.1 Internal Combustion Engines and the Four-Stroke Cycle 8.2 Powertrain, Transmission, Drivetrain, and Fuel Systems 8.3 Braking Systems, Suspension, Steering, and Electrical Diagnostics

9 Chapter 9: Shop Information (SI)

9.1 Hand Tools, Measuring Instruments, and Cutting Implements 9.2 Power Tools, Fasteners, Hardware, and Joining Techniques 9.3 Woodworking, Metalworking, Materials, and Workshop Safety

10 Chapter 10: Mechanical Comprehension (MC)

10.1 Simple Machines: Levers, Classes, and Mechanical Advantage 10.2 Pulleys, Wheel and Axle Systems, and Inclined Planes 10.3 Gears, Belt and Chain Drives, Cams, and Torque Transmission 10.4 Fluid Power, Hydraulics, Pneumatics, and Buoyancy (Pascal & Archimedes) 10.5 Forces, Friction, Work, Power, Energy Conservation, and Wave Mechanics

11 Chapter 11: Assembling Objects (AO)

11.1 Spatial Relationship Fundamentals & 2D Silhouette Synthesis 11.2 Connection Point Problems, Interior Seams, and Labeled Points 11.3 High-Speed Pacing, Elimination Tactics, and Visual Pattern Recognition

3.2 Supporting Details, Factual Extraction, and Structural Analysis

Key Takeaways Explain This Topic AI

Supporting detail items measure literal textual extraction; every correct answer is directly stated or explicitly paraphrased in the passage text.

Question stems divide into Affirmative queries ('According to the passage...') and Negative/Exception queries ('All of the following are true EXCEPT...').

The Keyword Anchor Scanning System leverages Tier 1 Hard Anchors (numbers, percentages, dates, proper nouns, acronyms) to locate target sentences in under 15 seconds.

The 'Anchor Sandwich' technique examines the preceding, target, and subsequent sentences to ensure all conditional qualifications and exceptions are captured.

Distractor patterns in detail items center on Half-Right/Half-Wrong statements, Reversed Causality/Sequence, Absolute Modifiers, and Real-World True but Passage-Absent facts.

Last updated: August 2026

3.2 Supporting Details, Factual Extraction, and Structural Analysis

Core Principle: Supporting detail questions evaluate your ability to locate, verify, and extract literal factual information explicitly stated within the text. Accounting for 40% to 50% of the Paragraph Comprehension subtest, detail questions require zero speculation or theoretical extension. If a statement cannot be directly verified by pointing to a specific sentence in the passage, it is incorrect.

Achieving speed and accuracy on supporting detail questions requires moving away from re-reading passages from scratch. Instead, examinees must employ Keyword Anchor Scanning , identify Synonym Paraphrase Transformations , and guard against deceptive trap answer choices.

Taxonomy of Stated Detail Question Stems

Supporting detail questions on the ASVAB present in two primary grammatical formats:

1. Affirmative Stated Detail Stems

These questions ask you to identify a specific fact directly confirmed by the author:

  • "According to the passage, what is the primary function of...?"
  • "The author states that which of the following occurs when...?"
  • "Based on the text, how many operating hours are extended by...?"
  • "The passage explicitly indicates that modern armor utilizes...?"
  • 2. Negative / Exception Stems ("EXCEPT / NOT / LEAST")

These items require you to identify the single choice that is false, unmentioned, or contradictory , while the remaining three choices are factually validated by the text:

  • "According to the passage, all of the following are true EXCEPT:"
  • "Which of the following is NOT cited as a contributing factor to...?"
  • "The author mentions all of the following operational advantages LEAST likely to include:"
  • The Keyword Anchor Scanning Hierarchy

To locate the exact sentence answering a detail question within 10 to 15 seconds, scan the passage for high-visibility Anchor Keywords drawn from the question stem: +-----------------------------------------------------------------------------------------+

  • | KEYWORD ANCHOR SCANNING SYSTEM |
  • +-----------------------------------------------------------------------------------------+
  • | TIER 1: HARD ANCHORS (Highest Visual Contrast & Scanning Speed) |
  • | • Numbers, Quantities & Percentages (e.g., 12,000 RPM, 200 microns, 40%, 4,500 psi) |
  • | • Calendar Dates & Historical Eras (e.g., World War II, nineteenth century, 1940) |
  • | • Capitalized Proper Nouns & Equipment Designations (e.g., Royal Air Force, Kevlar, CAT)|
  • | • Technical Acronyms (e.g., LEO, GEO, LiFePO4, IED, AFQT, SEM) |
  • +-----------------------------------------------------------------------------------------+
  • | TIER 2: SOFT ANCHORS (Moderate Scanning Speed) |
  • | • Specialized Technical Terminology (e.g., titanium-aluminide, micro-serpentine, anode)|
  • | • Distinctive Action Verbs & Scientific Nouns (e.g., biofouling, cavitation, necrosis) |
  • +-----------------------------------------------------------------------------------------+
  • | LOW-YIELD WORDS (NEVER Scan For These) |
  • | • General Topic Words repeated across every sentence (e.g., military, aircraft, soldier)|
  • | • Generic pronouns, prepositions, or vague common verbs (e.g., make, use, have, run) |
  • +-----------------------------------------------------------------------------------------+
  • The "Anchor Sandwich" Reading Protocol

Once your eyes locate the target anchor keyword in the text, do not read only the isolated clause containing the word. Execute a 3-sentence Anchor Sandwich : ┌────────────────────────────────────────────────────────┐

  • │ THE 3-SENTENCE "ANCHOR SANDWICH" READ │
  • ├────────────────────────────────────────────────────────┤
  • │ 1. PRECEDING SENTENCE: Provides context & prerequisites│
  • │ 2. TARGET SENTENCE: Contains the core factual answer │
  • │ 3. SUBSEQUENT SENTENCE: Details qualifications & limits│
  • └────────────────────────────────────────────────────────┘

This ensures you capture any conditional clauses ( "unless", "except when", "provided that" ) that modify the stated fact.

Loading diagram... Keyword Anchor Scanning and Paraphrase Verification Workflow

Paraphrase Transformation Mechanics

Test developers rarely use word-for-word quotes in the correct answer choice. Instead, they test comprehension by transforming the syntax and vocabulary through Synonym Paraphrasing .

Common Paraphrase Patterns

Transformation Category Original Passage Statement Correct Answer Choice Paraphrase

1. Synonym Substitution "The composite armor exhibits superior resilience against high-velocity kinetic penetrators." "The layered material resists damage from fast-moving armor-piercing projectiles."

2. Active / Passive Inversion "Automated radar arrays continuously track low-flying cruise missiles." "Low-flying cruise missiles are constantly monitored by automated radar installations."

3. Numerical / Quantitative Translation "The fleet modernization initiative was executed over a span of three decades." "The naval upgrade program took approximately thirty years to complete."

4. Negative-to-Positive Restatement "The protocol does not permit unescorted personnel past the security perimeter." "All individuals entering the restricted zone must be accompanied by authorized personnel."

The Literal Match Trap: When an answer choice uses the exact, verbatim words from the passage, scrutinize it with extreme suspicion. Test authors frequently create attractive distractors by lifting verbatim phrasing from the text while subtly swapping the subject and object or altering the causal relationship.

The Four Deadly Distractor Traps in Detail Questions +-----------------------------------------------------------------------------------------+

  • | DETAIL QUESTION DISTRACTOR TAXONOMY |
  • +-----------------------------------------------------------------------------------------+
  • | 1. THE HALF-RIGHT / HALF-WRONG TRAP |
  • | • The first half of the option matches the passage word-for-word, but the second half |
  • | introduces a fabricated fact, unstated condition, or false conclusion. |
  • +-----------------------------------------------------------------------------------------+
  • | 2. THE REVERSED CAUSALITY / SEQUENCE TRAP |
  • | • Accurately cites two real passage elements but reverses cause and effect or flips the |
  • | chronological order of events (e.g., stating B caused A when text states A caused B). |
  • +-----------------------------------------------------------------------------------------+
  • | 3. THE ABSOLUTE / EXAGGERATED MODIFIER TRAP |
  • | • Replaces qualifying language in the text ("frequently", "in many cases", "can") with |
  • | rigid absolute terms ("always", "exclusively", "guaranteed", "never"). |
  • +-----------------------------------------------------------------------------------------+
  • | 4. THE REAL-WORLD TRUE, PASSAGE-ABSENT TRAP |
  • | • Presents a statement that is scientifically or historically accurate in reality, but |
  • | is completely unmentioned within the four corners of the provided text passage. |
  • +-----------------------------------------------------------------------------------------+
  • Step-by-Step Negative Detail ("EXCEPT / NOT") Workflow

When confronting negative detail stems, execute a rigorous binary elimination matrix:

Acknowledge the Inversion: Note that you are hunting for the single unsupported or contradictory option .

Evaluate Option 1: Scan passage for keywords → \rightarrow → Located in line 2 → \rightarrow → Mark [TRUE / PASSAGE FACT] .

Evaluate Option 2: Scan passage for keywords → \rightarrow → Located in line 4 → \rightarrow → Mark [TRUE / PASSAGE FACT] .

Evaluate Option 3: Scan passage for keywords → \rightarrow → Contradicted by line 3 or unmentioned → \rightarrow → Mark [TARGET / FALSE] .

Evaluate Option 4: Scan passage for keywords → \rightarrow → Located in line 5 → \rightarrow → Mark [TRUE / PASSAGE FACT] .

Confirm Selection: Confirm the option marked [TARGET / FALSE] as your submitted answer.