Changes

==== Recording is not necessary to find relationships ====

==== Recording is not necessary to find relationships ====

User could just mentally compare one day and the next. Far fewer of the issues listed in this section apply to 'mental comparison'. In particular user saves time and privacy. Many purposes for self tracking can not be satisfied by just paying attention. Most relationships user would want to uncover require statistical analysis, especially strong effects that can only be seen across long periods. Though, more important effects are usually more sever and easier to notice. Many things a user would want to track required a device and can then be automatically tracked with very little effort on the user's part. 'Mental comparison' relies completely on [[Self assessment]] with all its issues and minus a few of the mellowing techniques. This alternative method to self tracking is easier though rarely usable.

Why take the time to write things down when user could notice relationships just by paying attention? Its quicker, easier, and far fewer of the reasons not to self track would apply. However, many of the reasons for self tracking can not be satisfied without recording data and most of the relationships will not be noticed as well. Most relationships user would want to uncover require statistical analysis, especially strong effects that can only be seen across long periods. Though, more important effects are usually more sever and easier to notice. Many things a user would want to track require a device and can therefor be automatically tracked with very little effort on the user's part. 'Mental comparison' relies completely on [[Self assessment]] with all its issues and minus a few of the mitigating techniques. This alternative to self tracking is easier though rarely usable.  

==== Finding and setting up data sources takes time. ====

==== Finding and setting up data sources takes time. ====