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Study Guide: Intro to Organizational Behavior (OB): Individual Behavior - Ability Intellectual, Abilities IQ Cognitive Abilities Physical Abilities
Source: https://www.fatskills.com/organizational-behavior/chapter/organizational-behavior-ob-individual-behavior-ability-intellectual-abilities-iq-cognitive-abilities-physical-abilities

Intro to Organizational Behavior (OB): Individual Behavior - Ability Intellectual, Abilities IQ Cognitive Abilities Physical Abilities

By Fatskills Exam Guides Team — the exam nerds behind 28,500+ quizzes and 2.1M practice questions across 500+ global exams.

⏱️ ~7 min read

Study Guide: Ability (Intellectual & Physical Abilities)

What This Is

Ability refers to an individual’s capacity to perform the various tasks required in a job, encompassing intellectual abilities (e.g., IQ, cognitive skills like problem-solving, memory, and reasoning) and physical abilities (e.g., strength, stamina, coordination). It matters because mismatches between job demands and employee abilities lead to poor performance, safety risks, and turnover. For example, Google’s Project Oxygen found that cognitive ability (e.g., problem-solving, learning agility) was the top predictor of managerial success, while Southwest Airlines screens for physical stamina in baggage handlers to reduce workplace injuries.


Key Theories & Models

  • General Mental Ability (GMA) / IQ (Spearman’s g factor): A single underlying factor (g) explains performance across diverse cognitive tasks (e.g., verbal, numerical, spatial). Implication: GMA is the strongest predictor of job performance across roles (Schmidt & Hunter, 1998). Example: Netflix uses cognitive ability tests to hire engineers who can adapt to fast-changing tech stacks.

  • Multiple Intelligences (Gardner): Eight distinct intelligences (e.g., logical-mathematical, interpersonal, bodily-kinesthetic) beyond traditional IQ. Implication: Jobs require different "intelligence profiles"—e.g., Zappos values interpersonal intelligence for customer service roles, while NASA prioritizes spatial intelligence for astronauts.

  • Fluid vs. Crystallized Intelligence (Cattell):

  • Fluid intelligence: Raw problem-solving ability (peaks in early adulthood, declines with age).
  • Crystallized intelligence: Accumulated knowledge (grows with experience). Implication: Older workers may excel in roles requiring wisdom (e.g., mentoring), while younger workers adapt faster to new tech. Example: IBM pairs junior developers (fluid) with senior architects (crystallized) in agile teams.

  • Physical Abilities Model (Fleishman): Nine physical abilities (e.g., dynamic strength, stamina, gross body coordination) critical for manual jobs. Implication: Physical demands must match job requirements to avoid injuries or poor performance. Example: UPS uses physical ability tests to screen delivery drivers, reducing workplace accidents by 30%.

  • Cognitive Resource Theory (Fiedler & Garcia): Stress impairs performance for high-ability individuals but may improve it for low-ability individuals (who rely on routine). Implication: High-pressure roles (e.g., ER doctors) need high-ability hires who can perform under stress. Example: Goldman Sachs trains traders to manage stress, as cognitive performance drops under extreme pressure.

  • Job Analysis & Ability Requirements (O*NET): The U.S. Department of Labor’s O*NET database classifies jobs by required abilities (e.g., "deductive reasoning" for detectives, "manual dexterity" for surgeons). Implication: Use ONET to design selection tests or training programs. Example: Amazon uses ONET to identify abilities needed for warehouse roles (e.g., "static strength" for lifting).

  • Sternberg’s Triarchic Theory: Three types of intelligence:

  • Analytical (problem-solving),
  • Creative (innovation),
  • Practical ("street smarts"). Implication: Hire for the right mix—e.g., IDEO (design firm) prioritizes creative intelligence, while McKinsey values analytical.

Step-by-Step Application

  1. Conduct a Job Analysis
  2. Use O*NET or interviews with incumbents to identify required abilities (e.g., "spatial reasoning" for architects, "gross body coordination" for firefighters).
  3. Example: Tesla analyzed assembly-line jobs to determine physical demands (e.g., repetitive motion tolerance) before hiring.

  4. Select Valid Assessment Tools

  5. For intellectual abilities: Use cognitive ability tests (e.g., Wonderlic for NFL players, Raven’s Progressive Matrices for engineers).
  6. For physical abilities: Use work samples (e.g., FedEx’s "package handling test") or biomechanical assessments.
  7. Avoid: Unstructured interviews (poor predictors of ability).

  8. Match Abilities to Job Demands

  9. Overqualification: High-ability employees in simple jobs may disengage (e.g., a PhD in a data-entry role).
  10. Underqualification: Low-ability employees in complex jobs may fail or burn out (e.g., a junior analyst in a high-stakes trading role).
  11. Example: Google avoids overqualification by offering "stretch assignments" to high-ability employees.

  12. Design Training to Bridge Gaps

  13. For crystallized intelligence: Mentorship, knowledge-sharing (e.g., GE’s Crotonville leadership programs).
  14. For physical abilities: Ergonomic training, strength conditioning (e.g., Southwest Airlines’ baggage handler fitness programs).

  15. Accommodate Ability Differences

  16. Age-related declines: Redesign jobs to rely on crystallized intelligence (e.g., SAP pairs older experts with younger employees in "reverse mentoring").
  17. Disabilities: Provide assistive tech (e.g., Microsoft’s AI tools for employees with dyslexia).

  18. Monitor and Adapt

  19. Track performance data to identify ability-job mismatches (e.g., Netflix uses "keeper test": Would we fight to keep this employee? If not, they’re let go).
  20. Example: Zappos offers "The Offer" ($2,000 to quit) to filter out employees whose abilities don’t align with the company’s fast-paced culture.

Common Misconceptions

  • Misconception: "IQ is the only predictor of job performance."
  • Correction: While GMA is the strongest predictor, other abilities matter (e.g., emotional intelligence for sales, physical stamina for construction). Example: Southwest Airlines hires for "personality fit" (e.g., humor, teamwork) alongside cognitive ability.

  • Misconception: "Physical abilities are only relevant for blue-collar jobs."

  • Correction: Even desk jobs require physical abilities (e.g., ergonomics for office workers, stamina for surgeons). Example: Apple redesigned its retail stores to reduce physical strain on employees (e.g., adjustable-height tables).

  • Misconception: "High-ability employees don’t need training."

  • Correction: High-ability employees may plateau without challenges. Example: Google’s "20% time" (allowing engineers to work on side projects) prevents stagnation.

  • Misconception: "Ability is fixed and can’t be improved."

  • Correction: While fluid intelligence declines with age, crystallized intelligence and physical abilities can be trained. Example: Nike’s "Designed to Move" program improves employee fitness.

  • Misconception: "More ability is always better."

  • Correction: Overqualification can lead to boredom, turnover, or resentment. Example: Goldman Sachs lost junior bankers to startups because they were overqualified for grunt work.

Exam / Case Interview Tips

  1. Distinguish Between Ability and Other Traits
  2. Ability-Personality: Ability is can-do (capacity), personality is will-do (motivation). Example: A brilliant but lazy employee has high ability but low conscientiousness.
  3. Ability-Skill: Ability is innate (e.g., spatial reasoning), skill is learned (e.g., AutoCAD proficiency).

  4. Answer "How Would You Hire for X Role?" Questions

  5. Step 1: Identify required abilities (e.g., "For a data scientist, prioritize logical reasoning and numerical ability").
  6. Step 2: Select assessment tools (e.g., "Use a cognitive ability test like the Watson-Glaser for critical thinking").
  7. Step 3: Address potential biases (e.g., "Avoid relying solely on GPA, which may disadvantage non-traditional candidates").

  8. Handle "Ability vs. Motivation" Trade-offs

  9. If an employee is struggling:
    • Low ability? Train or reassign.
    • Low motivation? Use Expectancy Theory (e.g., clarify rewards, provide feedback).
  10. Example: Netflix fires low-ability employees but offers coaching for low-motivation ones.

  11. Physical Ability Pitfalls

  12. Avoid: Discriminating against older workers or people with disabilities. Example: UPS was sued for requiring drivers to lift 70 lbs, which excluded women and older workers (settled for $1.7M).

Quick Practice Scenario

Scenario: A manufacturing plant hires 10 new assembly-line workers. After 3 months, 4 are struggling with quality control (e.g., misassembling parts), while 6 excel. The struggling employees have high school diplomas; the top performers have associate degrees. The plant manager assumes the issue is motivation and threatens disciplinary action.

Question: Using ability theories, what’s the likely problem, and how would you address it?

Answer: The issue is likely low cognitive ability (specifically, spatial reasoning or perceptual speed) for the struggling workers. Solution:
1. Assess abilities using a work sample test (e.g., assemble a part under time pressure).
2. Reassign struggling workers to less complex tasks (e.g., packaging vs. assembly).
3. Train spatial reasoning skills (e.g., Toyota’s "kaizen" workshops improve problem-solving). Theory: General Mental Ability (GMA) predicts performance in complex tasks; Fleishman’s physical abilities model suggests perceptual speed is critical for assembly work.


Last-Minute Cram Sheet

  1. GMA (IQ): Strongest predictor of job performance across roles (Schmidt & Hunter).
  2. Fluid vs. Crystallized Intelligence: Fluid = problem-solving (declines with age); crystallized = knowledge (grows).
  3. Fleishman’s 9 Physical Abilities: E.g., dynamic strength, stamina, gross body coordination.
  4. O*NET: U.S. database of job ability requirements (e.g., "deductive reasoning" for detectives).
  5. Sternberg’s Triarchic Theory: Analytical, creative, practical intelligence.
  6. Overqualification Trap: High-ability employees in simple jobs disengage (e.g., PhD in data entry).
  7. Ability-Skill: Ability is innate (e.g., spatial reasoning); skill is learned (e.g., AutoCAD).
  8. IQ-Only Predictor: Emotional intelligence matters for sales; physical stamina for firefighters.
  9. Cognitive Resource Theory: Stress hurts high-ability performers but may help low-ability ones.
  10. Accommodations: Redesign jobs for age (e.g., SAP’s reverse mentoring) or disabilities (e.g., Microsoft’s AI tools).