
- Group Performance (Social Psychology: A Modular Course)
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From $39.45 (New)

From $39.45 (New)

| Latest | $39.45 1 day ago |
| Highest | $46.95 Mar 23, '16 |
| Lowest | $38.15 Sep 18, '15 |
| Average | $42.40 (30d avg) $40.12 (90d avg) $39.17 (180d avg) $40.92 (365d avg) $41.00 (Lifetime average) |
| Added | Feb 17, 2015 |
| Latest | $35.45 1 day ago |
| Highest | $41.65 Jun 27, '15 |
| Lowest | $34.44 Jan 22, '16 |
| Average | $36.80 (30d avg) $35.82 (90d avg) $36.57 (180d avg) $37.99 (365d avg) $37.95 (Lifetime average) |
| Added | Feb 17, 2015 |
| Latest | $37.50 1 day ago |
| Highest | $39.07 Apr 11, '15 |
| Lowest | $7.04 Sep 22, '15 |
| Average | $36.81 (30d avg) $28.98 (90d avg) $30.66 (180d avg) $26.56 (365d avg) $27.55 (Lifetime average) |
| Added | Feb 17, 2015 |
30 day average: 536,751
90 day average: 1,734,695