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Understanding the Science MSP
Mark WatrinScience Coordinator
ESD112
Inquiry
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Not the Purpose Purpose
Help Teachers Understand the
Science MSP
–Systems
– Inquiry
–Application
• Debate testing in general
• Give you all the right answers
(not possible)
• Represent OSPI
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Science MSP Test and Item Specifications
http://www.k12.wa.us/Science/TestItemSpec.aspx
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Science Assessment Update
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2009 Inquiry
18%
24%56%
2%
% 5th Grade
2 points 1point0 point NA
31%
35%
31%
3%
% 8th Grade
2 points 1 point0 point NA
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Time for Questions
If you don’t get a word in edgewise.
Type your question into the question
box.
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Preconceptions :Three – Two - One
• Three Inquiry Standards that will be answered as a two point questions
• Two Inquiry standards that will be only Multiple Choice
• One inquiry standard that will not be tested
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Inquiry?
• Ask Questions• Plan Investigations• Collect Data• Repeat for reliability• Understand Models• Emphasize Evidence• Communicate results• Be honest
2 point possibilities• Plan an investigation
• Understand models• Evidence for Conclusion• Evidence for
Explanations
StandardsMSP EOC Bio
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4 Parts
• Design a controlled experiment
• Design a Field Investigation
• Write a Conclusion
• Understanding Models
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Plan an InvestigationControlled Experiment
Field Study
+Controlled Variable
Test and Ite
m
Specifications
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8th Grade “Update” document
2010 “Changes
Documents”
Controlled Variables are inferred in 5th grade
5th
8th
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High School Inquiry
Design Investigations
Field Studies
Conclusions
Validity &Reliability
Inconsistencies
Evaluate Reliability
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Test
& Item
Specifi
cations
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Test
& Item
Specifi
cations
Example of Logical Steps
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8th Grade Design an Investigation
Interpret a Scenario
Interpret a data table
1 controlled variable
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How did that Plant Get There?Interpret Scenarios
Analyze Data Tables
2 controlled variables
Extra Validity Measure
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Inquiry GuideAttribute Points• Logical Steps• Manipulated Variable• Responding Variable• Record Data• Multiple Trials
• 8th + 1 controlled variable
• 10th + 2 controls• + extra validity
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Inquiry in Your Science Kit
• Animal Runways
• Flood
• Yeast & Vitamin C
• Melting Matter
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Pause Part 1
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Field Investigation – NEW ITEMAttributes
• Logical Steps
• Method of data collection
• 2 Conditions compared
• Collect & Record Data• How often data is collected
• Multiple trials of data collection
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New Item: No
Examples AvailableTest
& Item
Specifi
cations
page 12 &
13
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Comparison Opportunities• Animals 2x2/organisms• New Plants• Insects• Air and Weather/Weather• Human Body• Environments/Ecosystems• Diversity of Life
• Goldfish & Guppies• Rye grass & oats• Mealworms & wax worms• Weather conditions• Owl pellets• Terrariums & Aquariums• Pond water organisms
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Pause Part 2
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In Conclusion(1)Conclusive statement
(2)Supporting data: reported data are the lowest and highest conditions
(1)Explanatory language, connect or compare the supporting data to the conclusive statement
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2012 Update Documents
3 or 4 = 2
Conclusive Statement
High DataLow Data
Explanatory Language
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How well do students write conclusions?
High data
Low data
scored 2 points
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What can you conclude about writing conclusions?
Conclusive statement 42%
Explanatory Language 22.6%
0.6 out of 2 is the mean score
Students score 20% lower on explanatory language
Conclusive statements are credited 42%Explanatory language is credited only 22.6%
Teachers should help students understand “explanatory” language” which is the lowest scoring attribute in writing conclusions at 22.6%.
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Pause Part 3
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“But wait, there’s more!”
Cognitive Difficulty
Models
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Model Guide
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Example
• What real object is this a model showing?
• What is accurate about the model
• What is inaccurate about the model?
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Models in your science kits
• Carts
• Stream Table
• Day & Night • Moon Craters
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9-12 Reliability & Validity
Reliability: An attribute of any investigation that promotes consistency of results during repeated trials.
Validity: An attribute of an investigation that describes the degree of confidence that data collected and logical inferences are accurate representations of the phenomena being investigated.
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Pause Part 4