Design and validation of initial diagnostic tests for preservice teachers as a tool for teacher education effectiveness

Figures & data

Table 1. Number of valid answers per assessment.

Assessment	Pilot 2021	Pilot 2022
Social Thinking Test	272	273
Attitudes Toward Diversity Questionnaire	279	263
Mathematics (Knowledge section)	233	160
Mathematics (Beliefs section)	247	214

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The extension and growth of drug trafficking is one of the most relevant problems in Chile and Latin America. Which of the following strategies do you think would help to minimize the way in which drug trafficking is developing and growing in Chile? Implementation of procedures that bring down the networks and actors that sustain the system that facilitates drug trafficking. Generation of public investment in territories currently segregated by the action of drug trafficking. Permanent incarceration of underage youths to avoid the so-called “revolving door”.

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Thinking about your everyday experiences (e.g. being in school, college, or when interacting with your peers), how much do you agree or disagree with the following statements? By their nature, girls prefer quieter games than boys. I want to generate friendships with people I perceive as different from me. I make an effort to make the spaces in which I participate accessible to people with disabilities.

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Teacher Analía wants to pose different questions to her students based on the following group of figures: To which of the following questions should students answer yes? In the group of figures, are there three triangles? In the group of figures, are there two quadrilaterals? In the group of figures, are there four figures whose lines are not all straight? In the group of figures, are there figures formed only by curved lines?

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Select the option that best represents your degree of agreement with it, using a four-point scale. In order to learn mathematics, it is essential that students explain their ideas and listen to the arguments of others. Only the most capable students in mathematics can solve problems that require multiple steps.

Table 2. Reliability of diagnostic tests for pre-service teachers, pilot 2021.

Assessment	a de Cronbach Pilot 2021	Separation Reliability based on EAP Pilot 2021
Social Thinking	0.672	0.658
Attitudes toward Diversity	0.924	0.919
Mathematics (Knowledge section)	0.850	0.805
Mathematics (Beliefs section)	0.820	0.820

Table 3. Reliability of diagnostic tests for pre-service teachers, pilot 2022.

Assessment	a de Cronbach Pilot 2022	Separation Reliability based on EAP Pilot 2022
Social Thinking	0.764	0.746
Attitudes toward Diversity	0.692–0.875	0.691–0.871
Mathematics (Knowledge section)	0.845	0.833
Mathematics (Beliefs section)	0.688–0.838	0.722–0.855

Figure 1. a: Wright map social thinking test, pilot 2021 ; b: Wright map social thinking test, pilot 2022.

Figure 2. a: Wright map attitudes toward diversity questionnaire, pilot 2021; b: Wright map attitudes toward diversity questionnaire, pilot 2022.

Table 4. Classification of goodness of fit indicators.

Assessments	SRMR < 0.08	RMSEA < 0.08–0.06	CFI > 0.95
Social Thinking Test	0.09	0.00	1.00
Attitudes Toward Diversity	0.09	0.08	0.54
Mathematics (Knowledge)	0.09	0.06	0.48
Mathematics (Beliefs)	0.13	0.10	0.27

Figure 3. a: Wright map mathematics (knowledge section), pilot 2021; b: Wright map mathematics (knowledge section), pilot 2022.

Figure 4. a: Wright map mathematics (beliefs section), pilot 2021; b: Wright map mathematics (beliefs section), pilot 2022.