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Quizzes > Quizzes for Business > Healthcare

Test Your Intellectual & Developmental Disability Knowledge Assessment

Gauge Your Understanding of Developmental Disabilities

Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material
Colorful paper art illustrating a quiz on Intellectual Developmental Disability Knowledge Assessment

Ready to explore your understanding with this developmental disability quiz? This engaging intellectual disability quiz is designed for students, educators, and care professionals seeking to deepen their skills. You'll gain clear insights into support strategies, communication techniques, and ethical considerations. Feel free to customize the questions in our editor to match your learning goals. If you'd like more practice, try the Disability Awareness Quiz, check out the Developmental Psychology Knowledge Test, or explore all our quizzes.

Which of the following IQ scores is most consistent with a diagnosis of intellectual disability?
IQ between 85 and 100
IQ above 100
IQ between 70 and 85
IQ below 70
Intellectual disability is typically defined by an IQ approximately two standard deviations below the mean, which is an IQ score below 70. Higher scores fall outside the standard threshold for this diagnosis.
Which domain assesses daily living skills such as meal preparation and personal care?
Motor domain
Practical domain
Social domain
Conceptual domain
The practical domain of adaptive functioning includes daily living skills like meal preparation and personal care. The conceptual and social domains cover different skill sets, and motor skills are part of developmental milestones.
At approximately what age do most children begin to combine two words into simple phrases?
36 months
6 months
24 months
12 months
Most children begin to use two-word combinations around 24 months of age, marking a key milestone in expressive language development. Earlier or later combinations are less typical.
Which of the following is an example of a simple communication accommodation for an individual with an intellectual disability?
Provide information in simple, concrete language with visual aids
Speak more quickly to cover more content
Use complex technical terminology to strengthen vocabulary
Ask the individual to research topics independently
Using simple, concrete language along with visual aids helps clarify information and supports comprehension. The other options either increase complexity or place unreasonable demands on the individual.
Which ethical principle emphasizes respecting an individual's right to make their own choices?
Justice
Beneficence
Autonomy
Nonmaleficence
Autonomy refers to respecting and honoring an individual's right to self-determination and choice. Beneficence, justice, and nonmaleficence involve different ethical obligations.
A 10-year-old with an intellectual disability has difficulty with transitions between activities. Which support strategy is most appropriate?
Provide a visual schedule outlining each step of the routine
Extend the time allowed for each activity without structure
Ignore transition difficulties and expect adaptation
Use only verbal reminders without visual supports
Visual schedules give clear, concrete cues that help individuals anticipate transitions. Verbal reminders alone or ignoring the difficulty are less effective, and extending time without structure does not address the root need for predictability.
An adult with a nonverbal intellectual disability needs to communicate preferences. Which method is best?
Encourage group therapy sessions only
Prescribe medication to reduce communication frustrations
Rely solely on hand-over-hand prompting
Use a Picture Exchange Communication System (PECS)
PECS allows nonverbal individuals to exchange pictures for desired items or actions, supporting self-expression. Hand-over-hand prompting and group therapy alone do not provide an independent communication system, and medication does not address the communication need.
Which accommodation best supports inclusive communication for a person with a hearing impairment in a group discussion?
Encourage lip-reading in a bright room
Use only written follow-up emails
Provide a sign language interpreter
Speak louder without visual support
A sign language interpreter ensures real-time access to spoken content for individuals who use sign language. Simply speaking louder or relying on lip-reading may not be sufficient, and written emails do not support real-time interaction.
Which action demonstrates respecting informed consent for an individual with a developmental disability?
Delaying consent until family members decide
Providing information in an accessible format and confirming comprehension
Obtaining a signature without explanation of procedures
Making decisions on behalf of the individual without discussion
Respecting informed consent involves giving information in a format the individual can understand and checking their comprehension. Merely obtaining a signature or deferring decisions undermines true consent.
Which intervention approach focuses on modifying antecedents and consequences to shape behavior?
Psychodynamic therapy
Occupational therapy
Applied Behavior Analysis (ABA)
Developmental therapy
Applied Behavior Analysis uses systematic manipulation of antecedents and consequences to increase or decrease specific behaviors. The other listed therapies follow different frameworks.
A child is struggling to meet fine motor milestones like coloring and cutting. Which professional referral is most appropriate?
Occupational therapist
Physical therapist
Audiologist
Speech-language pathologist
Occupational therapists specialize in fine motor skills and daily living tasks. Physical therapists focus on gross motor abilities, while speech-language pathologists and audiologists address communication and hearing.
Which statement correctly differentiates developmental disability from intellectual disability?
A developmental disability can include physical impairments, whereas intellectual disability specifically involves cognitive limitations
Developmental disability refers only to academic delays, while intellectual disability refers to social delays
Intellectual disability always includes severe physical impairments, unlike developmental disability
They are identical terms with no distinguishing features
Developmental disability is an umbrella term that can include physical, sensory, or cognitive impairments. Intellectual disability specifically refers to limitations in intellectual functioning and adaptive behavior.
Which educational setting aligns best with the principle of least restrictive environment?
General education classroom with appropriate supports
Home schooling with no peer interaction
Separate special education school
Self-contained classroom full-time
The least restrictive environment means educating students with disabilities alongside their non-disabled peers to the maximum extent appropriate, using supports as needed. Separate or isolated settings are more restrictive.
To foster self-advocacy in adults with intellectual disability, which strategy is most effective?
Limiting access to information about their rights
Assigning all decisions to family members
Using only praise without teaching specific skills
Providing training in decision-making and self-determination skills
Self-advocacy improves when individuals learn decision-making and self-determination. Delegating decisions or withholding information prevents them from exercising their rights.
Which resource is most directly supportive when planning workplace accommodations for an employee with an intellectual disability?
Strictly enforcing all standard procedures without change
Monthly team social events only
A trained job coach to provide on-site guidance
Random performance appraisals
A job coach can tailor supports and train both the employee and coworkers on effective strategies. General appraisals or social events do not directly address accommodation needs.
An adult with an intellectual disability wants more independence but has safety concerns at home. Which approach best balances autonomy and safety?
Develop a person-centered support plan with agreed-upon safeguards
Place them in a locked care facility for maximum safety
Limit their choices to those deemed absolutely safe by caregivers
Allow full independence without any safety measures
A person-centered support plan tailors safeguards to the individual's preferences while addressing risks. Overly restrictive or overly lax approaches either undermine autonomy or increase danger.
A standardized assessment yields an IQ of 65 and Vineland Adaptive Behavior Composite score of 80. What does this discrepancy suggest?
Both skills are equally impaired
The test results are invalid and should be discarded
Cognitive skills are stronger than adaptive skills
Adaptive skills are relatively stronger than cognitive skills
An IQ score of 65 indicates greater cognitive limitations, while a higher Vineland score of 80 shows comparatively better adaptive functioning. The results are valid and reflect different skill profiles.
Which of the following is an example of a SMART IEP goal for reading comprehension?
Increase reading comprehension accuracy from 50% to 70% on grade-level texts by the end of the semester
Improve reading skills
Work on comprehension strategies when possible
Read more books by the end of the year
The correct goal is specific, measurable, achievable, relevant, and time-bound (SMART). The other options are too vague or lack measurable criteria.
Which reinforcement schedule is most resistant to extinction in behavior intervention?
Fixed ratio schedule
Fixed interval schedule
Variable ratio schedule
Continuous reinforcement
Variable ratio schedules provide unpredictable reinforcement, which typically produces high rates of responding and greater resistance to extinction. Fixed schedules and continuous reinforcement are less resistant.
When assessing individuals from diverse cultural backgrounds for intellectual disability, what is most important?
Assume cultural differences equate to disability
Rely solely on standard IQ tests without adaptation
Administer tests in a language the individual does not understand
Use culturally appropriate assessment tools and norms
Culturally appropriate tools and norms reduce bias and enhance validity. Standard tests without adaptation or misunderstandings of culture can lead to misdiagnosis.
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Learning Outcomes

  1. Identify key characteristics of intellectual and developmental disabilities.
  2. Analyze real-world scenarios to determine appropriate support strategies.
  3. Apply best practices for inclusive communication and accommodations.
  4. Evaluate ethical considerations in care and support settings.
  5. Demonstrate understanding of developmental milestones and intervention approaches.

Cheat Sheet

  1. Understand the Definition and Scope of Intellectual and Developmental Disabilities (IDD) - Think of IDD as a broad umbrella covering challenges in physical skills, learning, language, or behavior that begin before adulthood. Getting to know the different types - from mild learning delays to more intensive support needs - helps you see the big picture and the fine details. This strong foundation will power all your future study and practice! Nurses' Role in IDD Care
  2. Recognize Key Characteristics of IDD - Individuals with IDD may experience hurdles in intellectual tasks like reasoning and problem-solving, as well as adaptive skills such as social interaction and daily activities. Spotting these traits early helps you tailor support that truly makes a difference in someone's life. Embrace the diversity of abilities and stay curious - you're building empathy muscles! IDD Characteristics Guide
  3. Implement Inclusive Communication Strategies - Clear, simple language is your secret weapon: speak slowly, use visuals when you can, and give plenty of pause time for processing. Maintain eye contact, offer gentle prompts, and be ready to rephrase if someone looks puzzled. Inclusive chats aren't just kind - they're the key to unlocking trust and collaboration! Inclusive Communication Tips
  4. Apply Person-First Language - Always put the person before the disability: say "person with a disability" instead of "disabled person." This simple switch shows respect and highlights individual strengths over labels. It's a small change that sends a big message of dignity! Language & Respect
  5. Analyze Real-World Scenarios for Support Strategies - Dive into case studies where personalized education plans, job accommodations, or social skill coaching made all the difference. Ask yourself: What goals matter most? How can I adjust resources to fit each unique need? Practice makes perfect when it comes to creative, person-centered solutions! Support Strategy Scenarios
  6. Understand Ethical Considerations in Care - Respecting autonomy, securing informed consent, and ensuring active participation in decisions are the pillars of ethical support. Imagine being in someone's shoes: how would you want information delivered, options explained, or consent obtained? These principles keep trust alive and empower individuals every step of the way. Ethics in IDD Care
  7. Recognize Developmental Milestones and Intervention Approaches - Familiarize yourself with typical growth stages - from crawling to critical thinking - and how early interventions boost progress. By spotting delays or strengths early, you can recommend therapy, educational tweaks, or family support that accelerates success. It's like giving someone a head start in life's big race! Developmental Milestones Overview
  8. Promote Trauma-Informed Care - Remember that past trauma can shape how individuals with IDD respond to new experiences. Create a safe space by using calm tones, predictable routines, and gentle reassurance. Recognizing triggers and offering coping tools shows you care about the whole person, not just the label! Trauma-Informed Practices
  9. Enhance Collaboration and Coordination in Care - Teamwork makes the dream work: bring together healthcare pros, caregivers, educators, and the individual to align goals and share insights. Regular check-ins, clear role definitions, and information sharing ensure no one drops the ball. When everyone rowers in sync, support becomes seamless and impactful! Coordinated Care Models
  10. Advocate for Inclusive Policies and Practices - Champion accessibility, equal opportunities, and legal rights in schools, workplaces, and communities. Write letters, attend meetings, or use social media to amplify voices for change. Your passion and advocacy can turn awareness into action and barriers into bridges! Inclusive Advocacy Resources
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