Table 2.
PID-7 wave-level metrics
| Start date | End date | Mean | SD | |
|---|---|---|---|---|
| ISCAP (complete cases: N = 365) | ||||
| Wave 6 | 10/19/2012 | 10/29/2012 | − 0.28 | 2.31 |
| Prior to Wave 10 | 7/28/2015 | 9/3/2015 | − 0.20 | 2.36 |
| Prior to Wave 11 | 7/15/2016 | 8/27/2016 | − 0.21 | 2.33 |
| Wave 13 | 10/23/2018 | 11/5/2018 | − 0.23 | 2.38 |
| Prior to Wave 14 | 6/11/2019 | 8/20/2019 | − 0.23 | 2.42 |
| Wave 15 | 10/7/2020 | 10/22/2020 | − 0.13 | 2.42 |
| VSG (complete cases: N = 4013) | ||||
| Wave 1 | December 2011 | − 0.19 | 2.18 | |
| Wave 2 | After 2012 Election | − 0.24 | 2.23 | |
| Wave 3 | 11/29/2016 | 12/29/2016 | − 0.20 | 2.21 |
| Wave 4 | 7/13/2017 | 7/24/2017 | − 0.17 | 2.19 |
| Wave 5 | 4/5/2018 | 5/14/2018 | − 0.17 | 2.21 |
| Wave 6 | 11/17/2018 | 1/7/2019 | − 0.15 | 2.25 |
| Survey month | Mean | SD | ||
|---|---|---|---|---|
| TAPS (complete cases: N = 445) | ||||
| Survey 1 | November 2011 | − 0.13 | 2.15 | |
| Survey 11 | October 2012 | − 0.12 | 2.32 | |
| Survey 25 | December 2013 | − 0.13 | 2.21 | |
| Survey 38 | January 2015 | − 0.06 | 2.27 | |
| Survey 54 | May 2016 | − 0.11 | 2.27 | |
| Survey 70 | January 2018 | − 0.08 | 2.26 | |
The PID-7 scale ranges from − 3 (“Strong Democrat”) to 3 (“Strong Republican”)