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Table 12 Comparison of students’ posttest scientific argumentation skills after controlling the covariate (pretest scientific argumentation skills) (n = 155)

From: Developing scientific argumentation strategies using revised argument-driven inquiry (rADI) in science classrooms in Thailand

 

Type III Sum of Squares

df

Mean Square

F

Sig.

Different instructional models

608.715

1

608.715

93.425

.000

Pretest scientific argumentation skills

170.484

1

170.484

26.166

.000

Error

990.357

152

6.516

  
  1. R Squared = .450 (Adjusted R Squared = .443)