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An item response curves analysis of the Force Concept Inventory
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10.1119/1.4731618
/content/aapt/journal/ajp/80/9/10.1119/1.4731618
http://aip.metastore.ingenta.com/content/aapt/journal/ajp/80/9/10.1119/1.4731618

Figures

Image of Fig. 1.
Fig. 1.

The IRCs for all 30 questions on the FCI using the approach of Morris et al. (Ref. 2). This figure is analogous to Fig. 4 in Wang and Bao (Ref. 4). Each graph shows the percentage of respondents (vertical axis) at each ability level (horizontal axis) on a given item selecting a given answer choice: + = 1; ⋆ = 2; ⋄ = 3; △ = 4; □= 5.

Image of Fig. 2.
Fig. 2.

A comparison of the percent correct (this work, vertical axis) with the difficulty parameter (“b,” horizontal axis) from Wang and Bao (Ref. 4).

Image of Fig. 3.
Fig. 3.

IRCs for a “dichotomously” scored Question 13 from the FCI.

Tables

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Table I.

The percentage of students who responded correctly to each question on the FCI.

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/content/aapt/journal/ajp/80/9/10.1119/1.4731618
2012-08-17
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: An item response curves analysis of the Force Concept Inventory
http://aip.metastore.ingenta.com/content/aapt/journal/ajp/80/9/10.1119/1.4731618
10.1119/1.4731618
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