Table of contents
<aside> 💡 If your fact search results do not return any factors, depending on the app, you may be able to identify the factor(s) using the following methods.
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The timing of investigating a cause is basically carried out as follows.
Changes based on app status
Changes based on developer status
Enter the search keyword using the official app name. You can also try adding keywords like "campaign".
As press releases and announcements are often made in advance, make sure to specify a specific time period for your search.
Check the developer's website for news and campaign information.
Check the update history to see if any features have been added or improved.
Search using official accounts or keywords. If you use the advanced search or search command, you can search by specifying a period.
Typical commands
Search keywords since:2023-01-01 (displays posts from January 1, 2023 to present)
Search keyword until:2022-12-31 (displays posts before December 31, 2022)
Search keyword since:2020-01-01 until:2023-01-01 (displays posts between January 1, 2020 and January 1, 2023)
Check out the reviews to see how users react to what happens in the app.
The number of users of an app may be significantly affected by events such as the World Cup, changes in the social situation due to unforeseen reasons like the new coronavirus, etc.
There are also cases where when a competing app’s users increase, the app in question might experience a similar change.
<aside> ⚠️ Sometimes the cause cannot be identified
When we interviewed users who conducted factor searches, we found that 60% to 70% of the time they could identify the cause, but 30% to 40% of the time that was not the case.
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