reliability; credibility; confidence level
Used in general contexts for trustworthiness of a person or thing, and in technical/statistical contexts for a confidence coefficient or reliability measure.
このデータの信頼度は高い。
The reliability of this data is high.
His credibility is the highest in the company.
信頼度 emphasizes reliability or dependability, often in personal or technical contexts, while 信用度 is more commonly used for financial or social credibility.
信頼度 refers to a measured level or degree of trust (e.g. a statistical confidence level), while 信頼性 refers to the general quality or attribute of being reliable.
Compound of 信頼 (trust, reliance) and 度 (degree, measure).