Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the 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 6114

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the responsive-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
Stanley, J. C. (1963). Experimental and Quasi-Experimental Designs – Buffalo – CDS

Therapy-Science Reference:

Stanley, J. C. (1963). Experimental and Quasi-Experimental Designs

Campbell, D. T., & Stanley, J. C. (1963). Experimental designs for research on teaching. Houghton Mifflin Company. (pdf)…

This content is for Student, Professional, and Student (1- year extension) members only.
Complete Registration

Already a member? Log in here