distributions

Cards (32)

  • What is an IQ test primarily composed of?
    A series of logic questions
  • What does an IQ score measure?
    It measures intelligence
  • What is the average IQ score?
    100
  • What does a higher IQ score indicate?
    Greater intelligence
  • What shape does the distribution of IQ scores form on a graph?
    A bell shape
  • What is a normal distribution?
    A common distribution of data
  • What are the characteristics of a normal distribution?
    • Symmetrical curve
    • Mean, median, and mode at the center
    • Sides do not touch the x-axis
  • What is the mode in a normal distribution?
    The most common score
  • How is the median defined in a normal distribution?
    It is the middle score
  • What does the mean represent in a normal distribution?
    The average score
  • How does the standard deviation relate to normal distribution?
    It indicates how far scores are from the mean
  • What percentage of scores falls within one standard deviation of the mean?
    68%
  • What percentage of scores falls within two standard deviations of the mean?
    95%
  • What percentage of scores falls within three standard deviations of the mean?
    99.7%
  • What does a score of 130 on an IQ test indicate?
    Top 2.5% of the population
  • How is abnormality defined in terms of IQ?
    As statistically infrequent scores
  • What are skew distributions?
    • Distributions with scores shifted to one side
    • Long tail either to the right (positive skew) or left (negative skew)
  • What indicates a positive skew in a distribution?
    Long tail pointing to the right
  • What indicates a negative skew in a distribution?
    Long tail pointing to the left
  • How can a test's difficulty affect its distribution?
    Easy tests lead to negative skew, hard tests to positive skew
  • How do positive and negative skews affect central tendency measures?
    • Mode: highest point on the graph
    • Mean: pulled towards the tail
    • Median: between mode and mean
  • What is the mode in a skewed distribution?
    The highest point on the graph
  • How does the mean behave in a skewed distribution?
    It is affected by extreme scores
  • Where is the median located in a skewed distribution?
    Between the mode and the mean
  • What resources are available for patrons of psych boost?
    • Access to tutorial videos
    • Printable resources
    • Discord Channel
  • What is the purpose of the support from patrons on psych boost?
    To allow part-time teaching and content creation
  • What is the time frame of the tutorial videos mentioned?
    2017 to 2020
  • What is the main focus of the tutorial videos on psych boost?
    Research methods sections
  • What is the significance of the support from students and teachers on psych boost?
    It enables the development of educational content
  • Who receives a special shout out in the video?
    Patrons who support at the developer level
  • What is the platform mentioned for accessing additional resources?
    Cyprus.com
  • What is the main topic of the next video mentioned?
    Research methods