The investigation methods of back tone are: contacting reference persons, inquiring public records, social media surveys, education surveys and employment background surveys.

1, contact references.

The company may contact the personal references or former employers provided by the candidates to understand the candidates' work performance, professional quality and personal ethics.

2. Inquire about public records

Companies may consult public records, such as criminal records, credit records, driving records, real estate records, etc. , understand the background information of the candidate.

3. Social media survey

Companies may learn about candidates' personal information and social activities through social media platforms such as LinkedIn, Facebook and Twitter.

4. Education background investigation

The company may contact the candidate's school or educational institution to confirm the candidate's education and degree.

5. Employment background survey

The company may contact the candidate's former employer to learn about the candidate's work experience, position, salary and other information.