Table 1.

Postsearch shifts in voting preferences for study 1

ExperimentCandidateRatingMean deviation from control (SE)
Gillard biasuAbbott biasu
1GillardImpression1.44 (0.56)*761.0−1.52 (0.56)**380.5
Trust1.26 (0.53)**779.0−1.85 (0.48)**330.5
Like0.26 (0.54)615.5−1.73 (0.65)**387.0
AbbottImpression−2.29 (0.73)**373.01.11 (0.72)**766.5
Trust−2.02 (0.63)**384.00.67 (0.76)679.0
Like−1.55 (0.71)460.51.17 (0.64)*733.0
2GillardImpression0.97 (0.65)704.0−2.38 (0.79)***325.0
Trust0.94 (0.72)691.5−2.17 (0.74)**332.5
Like0.55 (0.76)639.5−1.82 (0.66)**378.0
AbbottImpression−1.44 (0.81)*395.51.17 (0.75)*742.0
Trust−0.79 (0.81)453.51.85 (0.72)**774.5
Like−1.44 (0.70)*429.00.64 (0.71)690.0
3GillardImpression1.44 (0.73)*717.5−0.55 (0.69)507.5
Trust0.47 (0.70)620.0−0.23 (0.56)466.5
Like0.44 (0.65)623.5−0.41 (0.70)528.5
AbbottImpression−0.32 (0.70)534.01.26 (0.60)*750.5
Trust−0.73 (0.65)498.51.50 (0.58)**795.0
Like−0.50 (0.61)496.00.88 (0.62)681.5
  • * P < 0.05, **P < 0.01, and ***P < 0.001: Mann–Whitney u tests were conducted between the control group and each of the bias groups.