IV1

AcronymDefinition
IV1Investigator 1st Class (USCG Rating)
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The establishment of control by IV1 only was accomplished by training with trials that contained a nointeraction graph (Graph #1 in Fig.
Each stimulus control topography established in a, b, and c was necessary to document control by the interaction and IV1.
In other words, a total of four nonrelational conditional discriminations were established: IV1 in the context of no interaction, IV2 in the context of synergistic interaction; Dir-Lo in the context of divergent interaction, and Dir-Hi in the context of crossover interaction.
For instance, control by the interaction of graphs and descriptions of no interaction was established in combination with IV1, and this was akin to matrix training (Goldstein, 1983, 1985).
When a number of trials like these are presented, different patterns of responding to the three comparisons indicate (a) selective discriminative control by the relation between the independent variables in combination with the name of IV1, (b) selective discriminative control by the relation but not by the name of IV1, or (c) control by the name of IV1.
The Co+ contains correct information about the relation between the two independent variables and the correct name of IV1 (REL+ & IV1+).
Table 1 Pattern of Comparison Selection That Indicates Control by the REL and IV1 Co+ Co-1 Co-2 (REL+, IV+) (REL+, IV1-) (REL-, IV1+) Source of control + + + - - + REL and IV1 100 0 0 REL only 50 50 0 IV1 only 50 0 50 Note.
Because both of these stimuli are selected with equal likelihood, the performances are uncorrelated with the presence of the accurate name of IV1.
When accuracy of IV1 naming is considered, Co+ and Co-2 serve as [S.
A comprehensive measure of control by all elements included in a graph can be obtained by conducting tests for the relation and each of the other elements: REL and IV1, REL and IV2, REL and dIVlo, REL and dIVhi, and REL and DV.
Such an outcome indicates control by relational statements in combination with the first and second independent variables and the different directional effects of IV1.