Pretest: Introduction to 3-D Spatial Visualization

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Pretest Introduction to 3-D Spatial
Visualization

• Prepared by Sheryl Sorby, Ph.D.
• Amy Hamlin, Ph.D.
• Norma Veurink

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ENG1002 Introduction to 3-D Spatial
Visualization

• Instructor
• Dr. Sheryl Sorby
• Teaching Assistant
• Morgan Hansen
• Office Hours
• 9 am 12 pm Tues or by appointment
• Text/Software Introduction to 3D Spatial
  Visualization an active approach by Sorby and
  Wysocki

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Course Objective

• To improve spatial visualization skills

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Why Spatial Visualization?

• Spatial Skills
• - have been a topic for educational research
  for the past 100 years
• - are considered to be one of the seven human
  intelligences
• - have been shown to be important to success in
  more than 84 careers
• Spatial skills are particularly important for
  engineering and technological careers
• - are important to the design process

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Spatial Skills Can Be Learned!
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Spatial Skills Stages of Development

• Topological Skills
• Projective Skills
• Euclidean Skills

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Spatial Skills Stages of Development

• Topological Skills
• 2-D skills, closeness of an object to other
  objects, order in a group
• Usually acquired in early childhood if exposed to
  spatial stimuli (drawing, puzzles, building
  blocks, erector sets, video games, etc.)

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Spatial Skills Stages of Development

• Projective Skills
• 3-D skills, determine what an object looks like
  from another perspective
• Usually acquired by 18 years old, however, some
  people may not have had the opportunity to fully
  develop these skills

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Spatial Skills Stages of Development

• Euclidean Skills
• 3-D in combination with concepts of measurement,
  such as distance, area, volume
• Many individuals never acquire these skills

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Developing Spatial Skills

• Skills are developed through practice
• Sketching has been found to be a key
• Working with hand-held or computer models has
  been shown to be effective
• In this class, we will use all of these
  techniques to help you develop your spatial skills

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Course Structure

• Pre-testing first day, post-testing last day
• Ten instructional modules
• 15-20 minute lecture on topic for the day
• Student teams work through the software module
• Individual students work on assignment for day
• Two quiz days
• Students take an online test or work with puzzles
  or games for extra credit points
• Quiz follows work with on-line test or puzzles
• Attendence 10 of course grade

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Grade Allocation

• Quizzes 30
• Homework 40
• Attendence 10
• Final Exam 20

• A 92-100
• AB 88-91
• B 82-87
• BC 78-81
• C 70-77
• D 62-70
• F lt62

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Spatial Tests

• Spatial pre- and post-tests administered to
  assess student learning
• PSVTR will be a part of your final exam for this
  course
• The Mental Cutting Test and the Mental Rotations
  Test will be given as a pre-test and also as part
  of your final exam for this course

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Purdue Spatial Visualization Test Rotations
(done during orientation week)

• Used at Michigan Tech to identify students who
  have not fully developed spatial skills

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Mental Rotations Test (Two four minute tests)

• Five figures are given, with the figure on the
  left the target figure. Two of the remaining
  four figures are rotated versions of the target
  figure.
• Fill in the Scantron bubbles corresponding to the
  two figures which are rotated versions of the
  figure on the left.
• Test will be given in two segments.

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Mental Cutting Test (20 Minutes)

• Part of a College Entrance Exam from the 1930s
  and 40s
• An object is given with an imagined cutting plane
• Objective is to choose the resulting cross section

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Next Time . . .

• Module 8 Surfaces and Solids of Revolution
• Bring your book to class!!!!