Excalidraw changed that for me. It's a free, browser-based diagramming tool with a hand-drawn, whiteboard-style aesthetic. It doesn't require you to sign up, no software to install, and the minimal ...

A diagram captioned: "experimental setting, upper view. The subject, television, and mirror (or metronome) can be seen." A diagram shows an overhead view of the setting. The subject faces a mirror or ...