A Recent Review of Studies on ESP Using the Ganzfeld

Multiple Choice

A recent review of studies on ESP using the ganzfeld procedure concluded that:

A) no convincing evidence for psychic ability had emerged from any of the studies.
B) no convincing evidence for psychic ability had emerged from the majority of studies.
C) convincing evidence for psychic ability had been found in the majority of studies.
D) convincing evidence for psychic ability had been found in virtually all studies.