Carry problems No-carry problems Step Variables Entered Beta Model Beta Model R2 R2 change change R2 R2 1 Math anxiety .063** -.004 <.001 .251** 2 Math anxiety .131 -.078 .014 .014 .069* .132** Frequency -.069 -.028 Difficulty in -.018 .147 removing Impeding .331** .016 calculation 3 Math anxiety .141 .002 1.33** -.078 <.001 .014 Frequency -.052 -.028 Difficulty in .012 .147 removing Impeding .016 .347** calculation Effort to reduce -.074 .002 thoughts *p ≤.05 **p ≤.01 Table 2. Results of hierarchical regression with percentage of errors as the outcome variable
Carry problems No-carry problems Step Variables Entered Beta R2 change Model R2 Beta R2 change Model R2 1 Math anxiety .251** .063** -.004 <.001 2 Math anxiety .131 .069* .132** -.078 .014 .014 Frequency -.069 -.028 Difficulty in removing -.018 .147 Impeding calculation .331** .016 3 Math anxiety .141 .002 1.33** -.078 <.001 .014 Frequency -.052 -.028 Difficulty in removing .012 .147 Impeding calculation .347** .016 Effort to reduce thoughts -.074 .002 *p ≤.05 **p ≤.01 Table 2. Results of hierarchical regression with percentage of errors as the outcome variable
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