References

Boersma, Paul, and David Weenink. 2018. “Praat: doing phonetics by computer.”

Cohen, Jacob. 1992. “A Power Primer.” Psychological Bulletin 112 (1). American Psychological Association: 155.

Mangiafico, Salvatore S. 2016. Summary and Analysis of Extension Program Evaluation in R, Version 1.13.6. New Brunswick, New Jersey: Rutgers Cooperative Extension.

Villegas, Julián, Ian Wilson, and Jeremy Perkins. 2015. “Effect of Task on the Intensity of Speech in Noisy Conditions.” In Proc. Acoust. Soc. Japan, Autumn Meeting. Aizu Wakamatsu, Japan.