An electronic device comprising: a measurement unit which is configured to measure an amount of activity of a user according to a signal which indicates an exercise amount and is output from a sensor which detects a physical activity of the user; a required activity amount acquisition unit which is configured to acquire a required amount of activity as the amount of activity for realizing physical characteristics designated by the user, the required amount of activity being calculated by a predetermined calculation formula according to an index value of the designated physical characteristics; a determination acquisition unit which is configured to acquire a determination of a degree of target achievement, with reference to a target amount of activity, achieved by a measured amount of activity which is measured by the measurement unit during a second measurement term after a first measurement term, the target amount of activity being determined by taking a reference amount of activity calculated based on the amount of activity measured by the measurement unit during the first measurement term into consideration with the required amount of activity; a schedule information access unit which is configured to access schedule information which indicates an activity plan of the user whose amount of activity is to be measured by the measurement unit; and a selection unit which is configured to select based on the schedule information, whether to include the amount of activity measured by the measurement unit during a term corresponding to the schedule information in the amount of activity which is referred to when calculating the reference amount of activity. a measurement unit which is configured to measure an amount of activity of a user according to a signal which indicates an exercise amount and is output from a sensor which detects a physical activity of the user; a required activity amount acquisition unit which is configured to acquire a required amount of activity as the amount of activity for realizing physical characteristics designated by the user, the required amount of activity being calculated by a predetermined calculation formula according to an index value of the designated physical characteristics; a determination acquisition unit which is configured to acquire a determination of a degree of target achievement, with reference to a target amount of activity, achieved by a measured amount of activity which is measured by the measurement unit during a second measurement term after a first measurement term, the target amount of activity being determined by taking a reference amount of activity calculated based on the amount of activity measured by the measurement unit during the first measurement term into consideration with the required amount of activity; a schedule information access unit which is configured to access schedule information which indicates an activity plan of the user whose amount of activity is to be measured by the measurement unit; and a selection unit which is configured to select based on the schedule information, whether to include the amount of activity measured by the measurement unit during a term corresponding to the schedule information in the amount of activity which is referred to when calculating the reference amount of activity.