4.1.1 Statistical Infrequency

• How is statistical infrequency determined in a population?

  By observing the rarity of a characteristic
• How does height illustrate the concept of statistical infrequency?

  Most people are average height, extremes are rare
• If a behavior occurs in only 2% of the population, how is it classified?

  As statistically infrequent
• How does Statistical Infrequency make identifying abnormal behavior easier?

  It allows straightforward spotting of rare traits.
• If an eating disorder affects less than 5% of the UK population, how is it classified?

  As statistically infrequent.
• What is one advantage of using Statistical Infrequency to define abnormality?

  It uses objective criteria.
• What is one disadvantage of Statistical Infrequency?

  It ignores positive infrequent traits
• What is a key limitation of Statistical Infrequency in understanding abnormality?

  It has limitations in understanding complexity
• What three measures do statistical norms calculate?

  Mean, median, and mode
• What is the typical prevalence of High IQ in the population?

  2% of the population
• When is Obsessive-Compulsive Disorder (OCD) considered statistically infrequent?

  Affects less than 2% of adults
• What is the typical prevalence of Obsessive-Compulsive Disorder (OCD) in adults in the UK?

  1-2% of adults in the UK
• What does statistical infrequency mean?

  Abnormal if a characteristic is rare
• What do statisticians use to determine statistical infrequency?

  Statistical norms
• What are the criteria for statistical infrequency based on?

  How far a characteristic falls from the average
• What is the typical prevalence of Eating Disorders in the UK population?

  1-5% of the UK population
• What is the significance of statistical norms in determining abnormality?

  • They provide a basis for comparison
  • Help identify characteristics that deviate from the average
  • Aid in defining what is considered abnormal behavior
• When is a characteristic considered abnormal according to statistical norms?

  If it is significantly different from averages
• What does Statistical Infrequency help identify?

  Rare traits
• Why is it beneficial for healthcare professionals to identify statistically infrequent behaviors?

  It helps them focus on those needing support.
• What are the advantages of using Statistical Infrequency to define abnormality?

  • Uses objective criteria with clear numbers
  • Easy identification of rare traits or behaviors
  • Helps healthcare professionals focus on those needing support
• Why is an extremely high IQ considered a limitation of Statistical Infrequency?

  Because it is statistically infrequent but not problematic
• What is a challenge of using Statistical Infrequency alone to define abnormality?

  It overlaps with other definitions of abnormality
• What IQ score is considered statistically infrequent for High IQ?

  Scores above 130
• What is the definition of Statistical Infrequency in psychopathology?

  It identifies conditions affecting a small percentage
• When are Eating Disorders considered statistically infrequent?

  Affects less than 5% of the population
• What are the advantages and disadvantages of Statistical Infrequency?

  Advantages:

  • Objective criteria
  • Easy identification

  
  

  Disadvantages:

  • Ignores positive infrequent traits
  • Doesn't consider cultural context
  • Overlaps with other criteria
• If a person has an IQ score in the top 2% of the population, how is this viewed statistically?

  As statistically infrequent and potentially abnormal
• How does Statistical Infrequency help in identifying psychological conditions?

  • Identifies rare psychological conditions
  • Guides healthcare professionals
  • Supports appropriate treatment and support
• How does Statistical Infrequency relate to cultural context?

  It doesn't consider cultural differences in rarity