|
| Information processing route based on the ELM | Second index | Third index | Variable explanation | Source documents |
|
| Peripheral route | Information source reliability | Authority | The authority of information sources, including identity authentication, identity type, and source reliability. | [45, 46] |
| Reliability | Reliability of information publishers felt by the audience, including fans and account levels. | [45, 47] |
|
| Central route | Perceived information quality | Quality of information form | The characteristics of information content, including the richness of information such as videos, pictures, and microtopics, can meet public information needs and bring value to the public. | [48, 49] |
| Quality of information editing | Measured by the formality of the information editing format. Professional information editing and publishing can make information more credible. It contains information integrity and reliability. | [49–51] |
| Quality of information utility | The public’s evaluation of whether their information needs are met. Specific measurement indicators include usefulness (the gap between information content and public expectations), timeliness, and relevance (information is related to the purpose of public use). | [50, 51] |
|
| Peripheral route | The heat of a public opinion event | Event attention preference | The public’s preference for events can often affect their behaviors that express their opinions, ideas, or emotions. | [52, 53] |
| Information environment heat | Social discussion of events. Hot events can arouse users’ interest. | [49, 53, 54] |
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