Validity and reliability assessment of a Japanese version of the Snaith-Hamilton pleasure scale

Hiroshi Nagayama, Shin ichiro Kubo, Taku Hatano, Shinsuke Hamada, Tetsuya Maeda, Takafumi Hasegawa, Taro Kadowaki, Hiroo Terashi, Masayuki Yoshioka, Nobuatsu Nomoto, Osamu Kano, Manabu Inoue, Hideki Shimura, Tatsuya Takahashi, Tsuyoshi Uchiyama, Hirohisa Watanabe, Satoshi Kaneko, Tetsuya Takahashi, Yasuhiko Baba