The ability to determine whether the treatment precedes the behavioral observation in time (i.e., the cause precedes the effect). This is a critical component to establishing internal validity.
network-subsite-user-registration domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home3/moultron/public_html/jethrobelt/wp-includes/functions.php on line 6114responsive-lightbox domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home3/moultron/public_html/jethrobelt/wp-includes/functions.php on line 6114