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. Author manuscript; available in PMC: 2023 Sep 1.
Published in final edited form as: Neurobiol Learn Mem. 2022 Jun 6;193:107648. doi: 10.1016/j.nlm.2022.107648

Table 2.

Study-specific task information and descriptive statistics for behavioral and self-report measures

Study-specific task information and descriptive statistics
Study number 1 2 3 4 TOTAL
Dates 9/2017–10/2017 3/2018 11/2019 10/2020 -
Task version two-phase continuous continuous two-phase -
Items in set 40 64 64 64 -
Mean LDI (SD) 0.42 (0.19) 0.41 (0.17) 0.4 (0.18) 0.3 (0.21) 0.38 (0.19)
Mean recognition memory (SD) 0.76 (0.14) 0.76 (0.14) 0.77 (0.14) 0.73 (0.15) 0.76 (0.14)
Mean Perceived Stress Scale (SD) 15.7 (10.6) 11.9 (8.0) 14.8 (8.9) 13.1 (8.0) 14.4 (8.9)
Mean Anhedonic Depression (SD) 33.1 (10.8) 27.8 (9.2) 32.6 (10.4) 30.8 (11.0) 32.0 (10.5)