Problem statement: It is often difficult for students to explore detailed images or documents (e.g. USGS topographic or geologic maps in earth science, geology, geography courses) in a meaningful way ...

I gave my students the opportunity to do an extra credit quiz. But I set it up like a standard graded quiz and it was bringing students' grades down who didn't opt to do it. SO I changed it to...

Problem statement: It is often difficult for students to explore detailed images or documents (e.g. USGS topographic or geologic maps in earth science, geology, geography courses) in a meaningful way ...

I gave my students the opportunity to do an extra credit quiz. But I set it up like a standard graded quiz and it was bringing students' grades down who didn't opt to do it. SO I changed it to...