polynomial contrast (one way or anova)

  1. D

    Polynomial (quadratic) contrasts: clarifications & inverted-U

    Hello everyone, I am trying to see how the motor time of a response to a stimulus (DV: quantitative, continuous) evolves based on difficulty level of the task (IV: 8 levels, categorical). My hypothesis is that motor time will increase, then decrease (inverted U shape). I conducted a RM ANOVA...
  2. helgasaraswati

    Complete Randomized Design Polynomial Contrast (One Way Or ANOVA) With SPSS

    POLYNOMIAL partitions the between-groups sums of squares into linear, quadratic, cubic, or higher-order trend components In Complete Randomized Design Polynomial Contrast (One Way Or ANOVA) With SPSS