Copy, download, adapt, and use with students or educators:

• Original-format item cluster (sign-in to Google to copy-move-use the Google Form)
  • Preview the item cluster directly.
• Stimulus Paper-Handout -- information and data that students use to do the task (reduces computer scrolling).

• Evidence for the Postconquest Demographic Collapse of the Americas in Historical CO2 Levels (Faust, et.al., 2005)
• Reforestation helped trigger Little Ice Age, researchers say (Stanford News)
• Ice Core Data (NOAA)

• Alignment Spreadsheet
• Evidence Statements: HS-ESS2-2 & HS-ESS2-4
• NGSS Matrices for alignment beyond the PEs above: SEP matrix, CCC matrix, DCI matrix

• Item #5-6

Feb-May student responses:

• Item-by-item responses and statistical summary.
• Random samples of 30 students were scored (different samples in Feb/May).

What was the purpose of the field-use?

• Get a general idea of how actual students respond to various item types and 3-dimensional items related to climate science.

What is the makeup of the student group that used this item cluster?

• Used across the state in February (over 450 students) & May (over 370 students).
• Aggregate results only (no breakdown by curriculum, region, age, or other demographics).