📄 EDS Exam cheatsheet

Variables

• ✅ Validity (measurement)
  • measures the right thing
• 😌 Reliability
  • consistently measures the same result
• ↔︎ Variance var(x)
  • how different datapoints are from the mean
• β Test Power
  • how likely a test correctly finds an effect
• 𝜶 Significance level
  • how likely it is that results are real
• 💥 Effect Size
  • how big of an impact a condition has

Need to understand further

• 🗜 Probability density
• sample SD underestimates population SD