Abstract
[This corrects the article DOI: 10.1371/journal.pone.0198859.].
Highlights
There are errors in the first paragraph of the "Treatment allocation" section of the Methods and Materials
The correct paragraph is: This study was part of a larger project investigating the effectiveness of an internet intervention (Deprexis) and an online training program in problem gamblers
Data on the other study, which evaluated a training program by means of the Approach-Avoidance Task [60] will be presented in a separate paper (Wittekind et al, submitted)
Summary
There are errors in the first paragraph of the "Treatment allocation" section of the Methods and Materials. The correct paragraph is: This study was part of a larger project investigating the effectiveness of an internet intervention (Deprexis) and an online training program (retraining) in problem gamblers. Before the start of the recruitment, we decided to split the four-arm study into two separate studies, each with one intervention and one control group.
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