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Table 1 Descriptives and test statistics of stress levels across all sessions per measurement time points

From: Efficacy of exposure in group settings for youth with posttraumatic stress symptoms

Measurement time point Exposurea sessions Non-exposureb sessions   
M (SD) Md M (SD) Md Z p
T1 3.24 (1.97) 3.50 3.17 (1.95) 3.50 − 0.14 0.889
T2 5.42 (1.74) 5.50 3.34 (2.12) 2.75 − 3.79 ≤ 0.001
T3 3.25 (1.91) 3.50 2.39 (1.74) 2.00 − 1.87 0.062
  1. T1 = at the beginning of the session, T2 = during the session; T3 = at the end of the session
  2. aSessions 2, 3, 4, and 5
  3. bSessions 1 and 6