1. Researchers concluded that impression formation is improved by negative affect. 2. Free response is an experimental method frequently used in impression formation research. 3. This determines the recipient's impression of the source during impression formation . 4. Other traits are less influential in impression formation , and are called peripheral traits. 5. His research program on impression formation demonstrated the role of memory in social judgment. 6. Thus, impression formation may be affected by even the perception of alcohol consumption. 7. Similar to the number of viewers present, collectivism versus individualism can influence impression formation . 8. There appears to be cross-cultural similarities in brain responses to first impression formations . 9. One of the first psychologists to extensively explore the concept of impression formation was Solomon Asch. 10. Results suggest that the dmPFC and amygdala together play a large role in negative impression formation .