Provided are a method of on online test and an online test server for simply evaluating idea creation skills. A test is conducted online, in which a number of examinees are prompted to repeat a task of choosing a situation setting involving 5W1H from a plurality of options describing ideas corresponding to the situation setting as many times as possible within a time limit, and total scores are calculated for answers of the examinees by assigning weight according to predetermined criteria, thereby evaluating an innovation ability, such as an ability to create a lot of valuable ideas, an ability to create a variety of valuable ideas, or an ability to create rare valuable ideas.