A schedule creating method capable of performing an analysis and a prediction with taking an individual attribute or quality of content into consideration by collecting an individual reaction according to a predetermined schedule, a method for predicting an individual reaction to an inexperienced schedule utilizing the above schedule, and a learning schedule assessment displaying method for displaying the results of the prediction are provided. A timing unit includes a presentation unit being a minimum term of generating the event relating the content, an event cycle unit being a predetermined term shorter than an interval being longer than the presentation unit of generating the event and being from a beginning of the event and till an occurrence of a next event, a condition unit being longer than the presentation unit and shorter than the event cycle unit, and a delay term for expressing a difference of starting points when a plurality of schedules are stared. By using the timing unit, a schedule in which an event relating to a specific content occurs.