It takes into account the answers you gave during your test and the search criteria you selected. (support.elitesingles.co.nz)
You can generally manually choose which loans you want to invest in, or have the system choose them for you based on certain criteria you select. (personalfinanceinsider.com)
If you have money available, they'll invest it for you based on a set of criteria you select. (retirebeforedad.com)