Spanos, Arango & DeGroot (1993) reasoned that the degree
of salience of the hypnotic context may be the critical factor
in how context influences the TAS and hypnotic susceptibility
relationship. Approximately equal numbers of high, medium
and low hypnotically susceptible subjects were assigned to
either an explicitly hypnotic, (Context) or nonhypnotic (No
context) condition. For the Context condition, the participants
were explicitly informed that the questionnaire study was
a follow up of the prior hypnosis testing. The subjects were
also told that the performance on the questionnaires was
related to hypnotizability. In the No Context condition,
the subjects were merely requested to participate in a psychology
experiment. No reference was made to their prior hypnosis
participation.
Spanos et al. (1993) found no significant differences between
the Context and No Context conditions. The TAS by Context
interaction
for the CURSS: Objective scale was not significant, while
the interaction effects for the CURSS: Subjective were marginal
at best (.05 < p < .10). Moreover, there were no significant
differences between the size of the correlations for the
explicitly hypnotic, and the noncontext conditions for the
CURSS: Objective (z = 1.35, p > .05). For
the subjective subscale of the CURSS, the correlation between
the TAS and hypnotizability was significantly higher for
the In-Context than the No Context condition (z =
2.007, p < .045).
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