Sustainable Society & Responsibility (Slides)
A sustainable society ensures resources and opportunities for___.
What are future generations?
Contamination can increase the resources needed to sort/clean recyclables and may make the entire bin ____.
What is unrecyclable?
In this study, recyclable plastics included numbers ________ through ________.
What are 1 through 7?
What experimental design was used (phase sequence)?
What is a reversal design: ABCACDCD?
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Social responsibility includes taking responsibility for how actions affect ____ and the environment.
What are people/communities?
The article defines “contamination rate” (conceptually) as the number of ________ items placed in the recycling bin.
What are nonrecyclable?
A trash item included a recyclable container with more than ________ of food or liquid.
What is half a cup? (trash if more than half a cup)
In Condition B, what was added above each classroom bin?
What is a “Please Recycle” sign prompt stating the recycling bin is located in the hallway?
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Name one human activity listed as a primary driver of climate change.
What is transportation/energy production/agriculture/industry?
If you only measure “% correctly recycled,” what key problem might you miss?
That contamination may remain high even if % correctly recycled increases.
Correct recycling (%) = (recyclables in recycling bin) ÷ (recyclables in ________ + recyclables in recycling bin).
What are the trashcans? (total recyclables in trashcans + recycling bin)
In Condition C, what major environmental change was made to classroom trashcans and bin placement?
What is removing classroom trashcans and placing one trashcan + one recycling bin side-by-side at the hallway exit?
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"Earth Overshoot Day occurs earlier each year" signals humans consume resources faster than they ___.
What is regenerate?
Why do the authors argue contamination rate is an important dependent measure for evaluating recycling efforts?
Because it captures the “bigger picture” of effort/cost in recycling—high contamination increases sorting burden and threatens usability of loads.
Contamination rate = (trash items in recycling bin) ÷ (total items in recycling bin that are ≥ ________).
What is 2.5 cm × 2.5 cm?
Hallway A’s “extension” added what item, placed where, and with what instruction?
What is a food/liquid bucket placed between the recycling bin and trashcan, with the instruction to empty food/liquid first?
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Which two "Six Americans" groups are described as most ready for intervention?
According to the authors, what two outcomes should a recycling program target at the same time?
High % of recyclables sent to recycling AND low % of contaminated items.
Data were collected ____ days/week across a ____-week semester, typically on ________, and bins were sorted between ____ and ____ p.m.
What is 3 days/week; 14 weeks; Monday/Wednesday/Friday; 4–5 p.m.?
Hallway B’s “extension” added what structural feature to the recycling bin, and what was its purpose?
What is a lid with ~0.3 m hole added to increase discrimination between bins?
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