Lycurgus, Timothy, Hansen, Ben B., and White, Mark. Conjuring Power from a Theory of Change: The PWRD Method for Trials with Anticipated Variation in Effects. Retrieved from https://par.nsf.gov/biblio/10473910. Journal of Research on Educational Effectiveness 16.4 Web. doi:10.1080/19345747.2022.2142178.

Lycurgus, Timothy, Hansen, Ben B., & White, Mark. Conjuring Power from a Theory of Change: The PWRD Method for Trials with Anticipated Variation in Effects. Journal of Research on Educational Effectiveness, 16 (4). Retrieved from https://par.nsf.gov/biblio/10473910. https://doi.org/10.1080/19345747.2022.2142178

Lycurgus, Timothy, Hansen, Ben B., and White, Mark. "Conjuring Power from a Theory of Change: The PWRD Method for Trials with Anticipated Variation in Effects". Journal of Research on Educational Effectiveness 16 (4). Country unknown/Code not available: Journal of Research on Educational Effectiveness. https://doi.org/10.1080/19345747.2022.2142178. https://par.nsf.gov/biblio/10473910.

@article{osti_10473910,
place = {Country unknown/Code not available}, title = {Conjuring Power from a Theory of Change: The PWRD Method for Trials with Anticipated Variation in Effects}, url = {https://par.nsf.gov/biblio/10473910}, DOI = {10.1080/19345747.2022.2142178}, abstractNote = {}, journal = {Journal of Research on Educational Effectiveness}, volume = {16}, number = {4}, publisher = {Journal of Research on Educational Effectiveness}, author = {Lycurgus, Timothy and Hansen, Ben B. and White, Mark}, }