Social Studies skills: Difference between revisions
| Line 986: | Line 986: | ||
* also known as "observer effect" | * also known as "observer effect" | ||
* when the observer changes the actual event / object being observed | * when the observer changes the actual event / object being observed | ||
* example : typically checking the air pressure of an automobile tire requires letting some air out of it in order to place the pressure gauge on it to measure the air pressure | |||
=== Other/ todo === | === Other/ todo === | ||