Research Methods in Psychology (4th edition)
Rajiv S. Jhangiani, I-Chant A. Chiang, Carrie Cuttler, Dana C. Leighton, 2019
CC BY-NC-SA 4.0 Non-commercial use only: link, do not resend.
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Rajiv S. Jhangiani, I-Chant A. Chiang, Carrie Cuttler, Dana C. Leighton, 2019
CC BY-NC-SA 4.0 Non-commercial use only: link, do not resend.
Danielle Navarro, 2018
CC BY-SA 4.0 Free to send; keep the author credit and CC BY-SA licence with the file.
Matthew J. C. Crump, Danielle J. Navarro, Jeffrey Suzuki, 2018
CC BY-SA 4.0 Free to send with attribution; HTML book, no official PDF.