Definitions of abnormality

• What does statistical infrequency indicate about behavior?

  Behavior is abnormal if it is very rare within a population.
• How can the rarity of a behavior be judged?

  Rarity can be judged objectively using statistics.
• What does the normal distribution curve represent?

  It shows a population's average spread of specific characteristics.
• What is considered abnormal behavior in relation to standard deviations?

  A person whose behavior is two standard deviations away from the average is considered abnormal.
• According to the DSM5, what IQ score indicates a diagnosis for IDD?

  An IQ of 70 or less indicates a diagnosis for IDD.
• What percentage of the population has an IQ of 70 or less?

  This is just over 2% of the population.
• What does failure to function adequately refer to?

  It refers to the inability to cope with daily life.
• What are Rosenhan and Seligman's features of failure to function?

  1. Maladaptive behavior 2. Personal anguish 3. Observer discomfort 4. Irrationality 5. Unconventionality
• What is deviation from social norms?

  • An unwritten expectation of behavior
  • What is accepted can vary between cultures and can change over time
  • People who deviate are seen as abnormal or social deviants
• How does deviation from ideal mental health view individuals?

  It offers a humanistic perspective on how people can become better.
• What are the key concepts related to abnormal behavior discussed in the study material?

  • Statistical infrequency
  • Failure to function adequately
  • Deviation from social norms
  • Deviation from ideal mental health