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Table 9 Mean levels of students’ pre-post test scientific argumentation skills (n = 155)

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

Instructional model N (%) \( \overline{X} \) (%) SD \( \overline{X} \) of argument elements (each scored out of 12 points)b
C_W E CA SA
Pretest sci. argumentation skills (48 scores)a rADI 72 (36.1%) 27.11 (56.25) 3.296 8.25 6.60 7.15 5.08
Traditional inquiry 83 (63.9%) 26.82 (55.88) 2.927 8.40 6.40 7.10 4.93
Posttest sci. argumentation skills (48 scores)a rADI 72 (36.1%) 31.76 (66.17) 2.651 9.56 7.58 8.26 6.36
Traditional inquiry 83 (63.9%) 27.69 (57.69) 2.841 8.69 6.57 7.39 5.05
  1. Definitions: C_W Claim and warrant, E Evidence, CA Counter argument, SA Supportive argument, rADI Revised-Argument-Driven Inquiry instructional model, Traditional Traditional inquiry and discussion-based instructional model
  2. aThere were 3 socio-scientific scenarios in this study, giving a total of 3 × 16 points = 48 maximum possible points per student over the course of the study
  3. bEach element was up to 4 points per scenario; there were 3 scenarios, for 12 possible points per argumentation element over the course of the study