Calculate the repeat-purchase interval, mean, and median for a specified cohort using customer identifiers and valid order dates. Use for questions about the average days between first and second orders across five years of records or how to calculate this in a spreadsheet; perform the measurement directly

Compare an existing selling point with product facts and competitor evidence. Use for “Could a competitor make the same claim?” Delivers a uniqueness comparison and evidence gaps for an existing claim

主打三賣點排序。用於需要主打優先序與取捨理由的工作；依本項方法處理已指定資料並核對交付

Turning selling points into usage scenarios. Use when the task requires creative angles that place specifications in everyday situations. Apply this method to the specified inputs and verify the deliverable

Emotional value proposition. Use when the task requires source-supported emotional benefits and communication boundaries. Apply this method to the specified inputs and verify the deliverable

顧客線索彙整。用於需要原始線索、來源、已知與未知分欄的工作；依本項方法處理已指定資料並核對交付

Persona candidate creation. Use when the task requires audience hypothesis cards that do not fabricate real identities. Apply this method to the specified inputs and verify the deliverable

Interpreting customers' core values. Use when the task requires what customers value and the original evidence for it. Apply this method to the specified inputs and verify the deliverable

Grouping purchase motivations. Use when the task requires groups with different motivations for buying the same product. Apply this method to the specified inputs and verify the deliverable

Distinguishing needs from wants. Use when the task requires a comparison of necessary solutions and desired feelings. Apply this method to the specified inputs and verify the deliverable

Time-based scenario angles. Use when the task requires a scenario question bank for usage times or seasons. Apply this method to the specified inputs and verify the deliverable

Place-based scenario angles. Use when the task requires differences in needs across settings. Apply this method to the specified inputs and verify the deliverable

Occasion-based scenario angles. Use when the task requires differences in needs for gifting, everyday use, and special occasions. Apply this method to the specified inputs and verify the deliverable

Audience and selling-point matching. Use when the task requires a Persona × USP communication-priority matrix. Apply this method to the specified inputs and verify the deliverable

Persona evidence review. Use when the task requires a checklist distinguishing supported items from invented assumptions. Apply this method to the specified inputs and verify the deliverable

Identifying role-marker products. Use when the task requires products that may provide identity clues and their limitations. Apply this method to the specified inputs and verify the deliverable

角色標記反例檢查。用於需要送禮與代購等替代解釋的工作；依本項方法處理已指定資料並核對交付

Need-trigger event ideation. Use when the task requires a table of specific, observable candidate events. Apply this method to the specified inputs and verify the deliverable

Separating events from personality descriptions. Use when the task requires abstract labels rewritten as verifiable events. Apply this method to the specified inputs and verify the deliverable

顧客口語搜尋句生成。用於需要保留原意的搜尋句候選的工作；依本項方法處理已指定資料並核對交付