160 likes | 167 Vues
Duckweed Experiment: Multiple Levels of TWO Factors. YES. NO. 16 Duckweed per Cup. Tap Water. Pond Water. No Ash. Ash. High Fertilizer. No Fertilizer. Low Fertilizer. Tap Water. Pond Water. Two-Factor Analysis of Variance (ANOVA). MAIN EFFECTS (= Individual Effects) Fertilizer
E N D
Duckweed Experiment: Multiple Levels of TWO Factors
Tap Water Pond Water No Ash Ash
High Fertilizer No Fertilizer Low Fertilizer Tap Water Pond Water
Two-Factor Analysis of Variance (ANOVA) MAIN EFFECTS (= Individual Effects) Fertilizer Water Type INTERACTION EFFECT (= Synergistic or Inhibitory Effects) Fertilizer x Water Type
Lab Next Week • 1-3 People per Team • Collect Data over Two Weeks • Data Analysis • Short Scientific Paper with four sections (Introduction, Methods, Results, Discussion) due early April)