Fig 1.
The study’s procedure with sample sizes for the debiasing treatment groups.
Fig 2.
Boxplots of participants’ opinions (N = 366) at the measurement times t1, t2 and t3.
The top of the upper whisker and the bottom of the lower whisker represent the maximum and minimum values, the top and bottom of the box represent the 75th and 25th percentiles, the line through the box represents the median, and the x marker represents the mean of the sample.
Fig 3.
Boxplots of participants’ opinions (N = 251) for the debiasing treatment groups at each measurement time.
The top of the upper whisker and the bottom of the lower whisker represent the maximum and minimum values, the top and bottom of the box represent the 75th and 25th percentiles, the line through the box represents the median, and the x marker represents the mean of the sample.
Table 1.
Opinion means and standard deviations at each measurement time and t-tests for the differences o1 – o4 for the debiasing treatment groups.
Table 2.
Planned contrasts with the corresponding statistics for the debiasing treatment groups on the differences o1 –o4.