Table 2.
System characteristics of simulated counseling chatbot.
| Characteristics | System settings |
|---|---|
| Language of output | Colloquial Cantonesea |
| Speed | Reading: 259 characters/min |
| Typing: 57 characters/min | |
| Maximum Tokens per response | 800 |
| Temperatureb | 0.7 |
| Top Pc | 0.95 |
| Stop sequenced | “?” and “? “ |
| Frequency penalty | None |
| Presence penalty | None |
a
The chatbot intermittently generates English responses contingent upon users’ use of lexical terms in their inputs.
b
Temperature: A lower temperature yields more repetitive and deterministic responses.
c
Top P: A lower Top P narrows the model’s token selection to likelier tokens.
d
Stop sequence determines how the chatbot’s response ends in a desired way.