Sure! Here are examples of studies related to each of the four psychological phenomena you've mentioned:
### 1. First Impression Bias
**Study Example:** *The Role of First Impressions in Evaluating the Trustworthiness of Faces*
**Description:** In this study, researchers showed participants photographs of faces and asked them to rate their trustworthiness based solely on the image. Participants made quick judgments, often in under a second,