Eye-tracking results for Spanish consecutive discourse markers "por tanto", "por eso", "por ello" and "por esto"

Dataset of eye fixation durations (first reading time, re-reading time and total reading time) for different AOIs (1st discourse segment, 2nd discourse segment, conceptual mean, discourse marker) under five experimental conditions (absence of discourse marker, presence of "por tanto", presence of "por eso", presence of "por esto" and presence of "por ello".