Psychological Statistics PSYC 2330

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Psychological StatisticsPSYC 2330

• Dr. Bill Lammers

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Introductions

• Introducing the course
• Math is a minor component
• Understanding what numbers can tell you is a
  major component
• Calculators
• Formulas
• Computerized data analysis (SPSS)
• Dont get behind!!
• Dr. Lammers is the best tutor you will find

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Introductions

• Introducing ourselves
• Dr. Lammers background interests
• Students
• Name
• Career goal
• 2 things about yourself that have nothing to do
  with academics

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Getting Started

• Before our next class
• Review the syllabus and the web links on our
  syllabus
• Study Chapter 1 in our textbook and begin working
  the homework problems

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Chapter 1Introduction to Statistics
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Statistics, science, observations

• Why do we need statistics?
• In-class exercise

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Populations samples

• Playing with terms
• Were interested in the average GPA of all UCA
  students
• We obtain GPAs from 1,000 UCA students
• What is the term for the group of 1,000?
• What is the term for their average GPA?
• What is the term for 1 students GPA?
• What is the term for the technique of using the
  sample average to estimate the GPA for all UCA
  students?
• What is the term that describes how far off our
  estimate is likely to be?

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Populations samples

• Playing with terms
• Were interested in the average GPA of all UCA
  students
• We obtain GPAs from all 10,256 UCA students
• What is the term for the group of all UCA
  students?
• What is the term for their average GPA?
• What is the term for 1 students GPA?

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Scientific method and design of research studies

• Applying a research method to your field
• In-class exercise
• Applying terms to an experiment
• In-class exercise

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Variables measurement

• Talking about variables
• In-class exercise
• Identifying the scale of measurement
• In-class exercise

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Statistical notation

• Basic statistical notation
• In-class exercise