Li, Shengnan ; Pan, QianQian ; Frey, Bruce B Li, S., Pan, Q., & Frey, B. B. (2018). Development of a Chinese and American scale for measuring spirituality. Cogent Psychology, 5(1), 1501934. https://doi.org/10.1080/23311908.2018.1501934.
,
2019
Frey, Bruce B ; Edwards, Lisa M Frey, Bruce B. and Edwards, Lisa M. (2011) Strong words or moderate words: A comparison of the reliability and validity of responses on attitude scales. Psychology, 2.1, 199-202. http://dx.doi.org/10.4236/psych.2011.21008.
,
2013
Frey, Bruce B ; Lee, Steven W ; Tollefson, Nona.. Frey, B., Lee, S., Tollefson, N., Pass, L., and Massengill, D. (2005) Balanced Literacy in an Urban School District. Journal of Educational Research, 98 (5), 272-280..
,
2013