Data in the Singer-Dudek et al. (2021) studies were collected during "probe" sessions. Based on our DTT data-collection content, you know what that means! What does it mean: Data in the Singer-Dudek et al. (2021) studies were collected during "probe" sessions. Based on our DTT data-collection content, you know what that means! What does it mean: data were collected during some sessions but not others data were collected by experimenters rather than teaching staff data were collected without active intervention (no feedback regarding behavior) data were collecting only during the first half of each session