Diagnostic Criteria

Question 1

How many criteria are there for Major Depressive Disorder (MDD)? What are they? How many are required for diagnosis? What is the required time frame?

Answer 1

9 symptoms; 5 or more required in same 2 week period

1. ) Depressed mood
2. ) Loss of interest/pleasure
3. ) Weight loss or gain
4. ) Insomnia or hypersomnia
5. ) Psychomotor agitation or retardation
6. ) Fatigue
7. ) Feelings of worthlessness or excessive/inappropriate guilt
8. ) Decreased concentration
9. ) Thoughts of death or suicide

Question 2

How many criteria are there for Schizophrenia? What are they? How many are required for diagnosis? What is the required time frame?

Answer 2

5 symptoms; 2 or more required (at least 1 must be criteria 1, 2, or 3) during same 1-month period with continuous signs of disturbance present for at least 6 months

1. ) Delusions
2. ) Hallucinations
3. ) Disorganized speech
4. ) Grossly disorganized or catatonic behavior
5. ) Negative symptoms

Question 3

How many criteria are there for Generalized Anxiety Disorder (GAD)? What are they? How many are required for diagnosis? What is the required time frame?

Answer 3

6 symptoms; 3 or more (only 1 required in children) required with at least some symptoms present for more days than not for the past 6 months

Key feature: Excessive anxiety and worry (apprehensive expectation), occurring more days than not for at least 6 months, about a number of events or activities (such as work or school performance) that is difficult to control

1. ) Restlessness or feeling keyed up or on edge
2. ) Being easily fatigued
3. ) Difficulty concentrating or mind going blank
4. ) Irritability
5. ) Muscle tension
6. ) Sleep disturbance

Question 4

How many criteria are there for Intellectual Developmental Disorder (Intellectual Disability)? What are they? How many are required for diagnosis? What is the required time frame?

Answer 4

3 symptoms; all 3 required; no time frame required but must have occurred during the developmental period (childhood or adolescence)

1. ) Deficits in intellectual functioning (includes reasoning, problem solving, planning, abstract thinking, judgement, academic learning, experiential learning)
2. ) Deficits in adaptive functioning that result in failure to meet developmental and sociocultural standards for personal independence and social responsibility. Without ongoing support, the adaptive deficits limit functioning in one or more activities of daily life, such as communication, social participation, and independent living across multiple environments, such as home, school, work, and community.
   3.) Onset of intellectual and adaptive deficits during the developmental period.

Severity specifier (i.e., mild, moderate, severe, profound) based on adaptive functioning impairments in three domains: Conceptual, social, and practical.