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Article History

Received: 14 May 2021

Revised: 12 August 2021

Accepted: 12 September 2021

First Online: 11 October 2021

Declarations

:

: The authors declare none.

: Our field experiment was conducted under the agreement of the cooperation between Osaka University and Osaka Prefecture. This allows the authors who belong(ed) to Osaka University to conduct the experiments at public job-support institution in Osaka Prefecture without an approval of Ethics committee when the experiment was conducted in 2019. Since we are not allowed to open the information on the location of public institution, the paper does not clarify the name and location of the institution.

: We held an explanation session about the participation to our experiment for all the counsellors (our possible participants), and asked a submission of the sheet of agreement. We also allowed them not to participate into the experiment.

: Not applicable.