This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Ebbinghaus forgetting Curve PL.svg Ebbinghaus forgetting curve krzywa zapominania Ebbinghausa own Farmer Jan Translation possible Created with Inkscape Memory Psychological diagrams Diagrams in Polish
Page 2023 Free-images.com. All images are Public Domain