協きょう力りょく費ひ

noun

cooperation fee; compensation; reimbursement

A payment made to someone for their participation or cooperation, such as in a clinical trial, survey, or study. Often used in formal or institutional contexts.

• 治ち験けんに参さん加かすると、協きょう力りょく費ひとして謝しゃ礼れいが支し払はらわれます。

  If you participate in a clinical trial, a gratuity will be paid as a cooperation fee.

• アンケートに回かい答とうした方かたには、協きょう力りょく費ひとして図と書しょカードを進しん呈ていします。

  Those who complete the survey will receive a book card as compensation for their cooperation.