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What is the main focus of the van Hiele theory?
What is the main focus of the van Hiele theory?
What are the five levels of geometric thinking according to the van Hiele model?
What are the five levels of geometric thinking according to the van Hiele model?
Why did Pierre van Hiele and his wife Dina van Hiele-Geldof develop the theory?
Why did Pierre van Hiele and his wife Dina van Hiele-Geldof develop the theory?
Where was the research based on the van Hiele theory carried out in the 1960s?
Where was the research based on the van Hiele theory carried out in the 1960s?
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What was the outcome of the research based on the van Hiele theory in the Soviet Union?
What was the outcome of the research based on the van Hiele theory in the Soviet Union?
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Who conducted large studies on the van Hiele theory in the late 1970s?
Who conducted large studies on the van Hiele theory in the late 1970s?
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What is the primary focus of the Van Hiele theory in geometry?
What is the primary focus of the Van Hiele theory in geometry?
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What is the characteristic of students at Level 0 of the Van Hiele theory?
What is the characteristic of students at Level 0 of the Van Hiele theory?
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At which level of the Van Hiele theory do students start analyzing properties of geometric figures?
At which level of the Van Hiele theory do students start analyzing properties of geometric figures?
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How many levels of thinking or understanding in geometry are proposed by the Van Hiele theory?
How many levels of thinking or understanding in geometry are proposed by the Van Hiele theory?
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What is the characteristic of students at Level 1 of the Van Hiele theory?
What is the characteristic of students at Level 1 of the Van Hiele theory?
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What was the influence of the Van Hiele theory on American educational standards?
What was the influence of the Van Hiele theory on American educational standards?
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What is the primary goal of the Guided or directed orientation stage?
What is the primary goal of the Guided or directed orientation stage?
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What is unique about how teachers introduce terminology in the van Hiele model?
What is unique about how teachers introduce terminology in the van Hiele model?
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What is the main objective of the Explanation or Explication stage?
What is the main objective of the Explanation or Explication stage?
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What do teachers use to guide students from one level to the next in the van Hiele model?
What do teachers use to guide students from one level to the next in the van Hiele model?
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What do students do during the Information or Inquiry stage?
What do students do during the Information or Inquiry stage?
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How much time does the process of guiding students from one level to the next typically take?
How much time does the process of guiding students from one level to the next typically take?
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What is the main characteristic of a 'free orientation' activity?
What is the main characteristic of a 'free orientation' activity?
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What is the primary goal of the 'integration' phase?
What is the primary goal of the 'integration' phase?
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What is the importance of definitions in understanding a concept, according to Pierre van Hiele?
What is the importance of definitions in understanding a concept, according to Pierre van Hiele?
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What was the purpose of the American study based on the van Hiele theory?
What was the purpose of the American study based on the van Hiele theory?
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How many students were involved in the American study?
How many students were involved in the American study?
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What is the role of the teacher during the integration phase?
What is the role of the teacher during the integration phase?
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What is the reason why students often do not master the material in traditional teaching methods?
What is the reason why students often do not master the material in traditional teaching methods?
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Who is the professor that the author thanks in the acknowledgment?
Who is the professor that the author thanks in the acknowledgment?
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What is the aim of the author's own thesis?
What is the aim of the author's own thesis?
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What is the title of the yearbook that Crowley's work is published in?
What is the title of the yearbook that Crowley's work is published in?
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In which year was the work of De Villiers published?
In which year was the work of De Villiers published?
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What is the name of the publisher of Mason's work?
What is the name of the publisher of Mason's work?
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