A researcher notes that a participant performs more poorly during the experimental condition compared with the control condition, but this difference is confounded with a change over timeâ€"fatigue. During the experimental condition, the participants had already been participating in the study for more than 1 hour. This threat to internal validity is known as

Which quotation reflects the perspective of most of georgia legislatures in 1956 regarding the georgia state flag? question 4 options: "georgia's flag should be updated to have a more modern look and design." "georgia's flag should be a symbol of integration and equal rights." "georgia's flag does not need to be changed; it represents peace and prosperity." "georgia's flag should be a symbol of our resistance to federal integration laws."