Higher interest in accounting in the control condition

summary(lm(DV ~ cond + major + declared, lab))
## 
## Call:
## lm(formula = DV ~ cond + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -5.3525 -1.3066  0.1927  1.6870  5.0586 
## 
## Coefficients:
##             Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  5.86212    0.59478   9.856   <2e-16 ***
## condcontrol  0.65405    0.29712   2.201   0.0288 *  
## major       -0.30651    0.03293  -9.309   <2e-16 ***
## declared     1.10337    0.51758   2.132   0.0342 *  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.166 on 214 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.3008, Adjusted R-squared:  0.291 
## F-statistic: 30.69 on 3 and 214 DF,  p-value: < 2.2e-16

Moderators

lab$avoid<-(lab$avoid + lab$avoid.1)/2

summary(lm(DV ~ cond*avoid + major + declared, lab))
## 
## Call:
## lm(formula = DV ~ cond * avoid + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -5.6572 -1.3810  0.2213  1.5563  4.7138 
## 
## Coefficients:
##                    Estimate Std. Error t value Pr(>|t|)    
## (Intercept)        3.702595   1.528918   2.422   0.0163 *  
## condcontrol        0.625602   2.040733   0.307   0.7595    
## avoid              0.370227   0.236701   1.564   0.1193    
## major             -0.303770   0.032754  -9.274   <2e-16 ***
## declared           1.074137   0.515966   2.082   0.0386 *  
## condcontrol:avoid -0.008931   0.337751  -0.026   0.9789    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.153 on 212 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.316,  Adjusted R-squared:  0.2999 
## F-statistic: 19.59 on 5 and 212 DF,  p-value: 5.027e-16
summary(lm(DV ~ cond*approach + major + declared, lab))
## 
## Call:
## lm(formula = DV ~ cond * approach + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -5.3796 -1.2943  0.1948  1.6842  5.4440 
## 
## Coefficients:
##                      Estimate Std. Error t value Pr(>|t|)    
## (Intercept)           6.08588    1.25520   4.849  2.4e-06 ***
## condcontrol           2.98796    1.79615   1.664   0.0977 .  
## approach             -0.04493    0.18957  -0.237   0.8129    
## major                -0.31447    0.03306  -9.512  < 2e-16 ***
## declared              1.19222    0.51799   2.302   0.0223 *  
## condcontrol:approach -0.37456    0.29019  -1.291   0.1982    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.158 on 212 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.3127, Adjusted R-squared:  0.2965 
## F-statistic: 19.29 on 5 and 212 DF,  p-value: 8.25e-16
summary(lm(DV ~ cond*money + major + declared, lab))
## 
## Call:
## lm(formula = DV ~ cond * money + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -5.4972 -1.3146  0.2009  1.6511  4.8548 
## 
## Coefficients:
##                   Estimate Std. Error t value Pr(>|t|)    
## (Intercept)        6.20212    1.14965   5.395 1.83e-07 ***
## condcontrol       -0.52061    1.31852  -0.395   0.6934    
## money             -0.06555    0.17159  -0.382   0.7028    
## major             -0.30187    0.03354  -9.000  < 2e-16 ***
## declared           1.11116    0.51896   2.141   0.0334 *  
## condcontrol:money  0.20483    0.22370   0.916   0.3609    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.171 on 212 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.3043, Adjusted R-squared:  0.2879 
## F-statistic: 18.55 on 5 and 212 DF,  p-value: 2.864e-15
summary(lm(DV ~ cond*time + major + declared, lab))
## 
## Call:
## lm(formula = DV ~ cond * time + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -5.4015 -1.3213  0.1904  1.6744  4.6235 
## 
## Coefficients:
##                  Estimate Std. Error t value Pr(>|t|)    
## (Intercept)       5.63349    0.97604   5.772 2.76e-08 ***
## condcontrol      -0.38020    1.07889  -0.352   0.7249    
## time              0.04297    0.14602   0.294   0.7688    
## major            -0.30121    0.03297  -9.136  < 2e-16 ***
## declared          1.06969    0.51639   2.071   0.0395 *  
## condcontrol:time  0.19533    0.19377   1.008   0.3146    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.158 on 212 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.3123, Adjusted R-squared:  0.296 
## F-statistic: 19.25 on 5 and 212 DF,  p-value: 8.789e-16
summary(lm(DV ~ cond*political + major + declared, lab))
## 
## Call:
## lm(formula = DV ~ cond * political + major + declared, data = lab)
## 
## Residuals:
##    Min     1Q Median     3Q    Max 
## -5.633 -1.365  0.160  1.671  4.332 
## 
## Coefficients:
##                       Estimate Std. Error t value Pr(>|t|)    
## (Intercept)            5.37323    0.84370   6.369 1.16e-09 ***
## condcontrol           -0.01952    0.94542  -0.021   0.9836    
## political              0.09703    0.15180   0.639   0.5234    
## major                 -0.30423    0.03301  -9.216  < 2e-16 ***
## declared               1.18863    0.52089   2.282   0.0235 *  
## condcontrol:political  0.15668    0.21999   0.712   0.4771    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.161 on 212 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.3105, Adjusted R-squared:  0.2942 
## F-statistic: 19.09 on 5 and 212 DF,  p-value: 1.149e-15

Mediators

summary(lm(decrease_chances ~ cond +  major + declared, lab))
## 
## Call:
## lm(formula = decrease_chances ~ cond + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -3.8714 -0.7795  0.2232  1.1987  2.3043 
## 
## Coefficients:
##              Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  4.854202   0.422316  11.494   <2e-16 ***
## condcontrol  0.076538   0.210969   0.363    0.717    
## major        0.007275   0.023380   0.311    0.756    
## declared    -0.161177   0.367501  -0.439    0.661    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 1.538 on 214 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.001672,   Adjusted R-squared:  -0.01232 
## F-statistic: 0.1195 on 3 and 214 DF,  p-value: 0.9486
summary(lm(threaten ~ cond +  major + declared, lab))
## 
## Call:
## lm(formula = threaten ~ cond + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -3.8390 -1.3943  0.3519  1.3734  2.6057 
## 
## Coefficients:
##             Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  4.11520    0.43931   9.367   <2e-16 ***
## condcontrol  0.03567    0.21946   0.163    0.871    
## major        0.03146    0.02432   1.294    0.197    
## declared     0.24767    0.38229   0.648    0.518    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 1.6 on 214 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.01134,    Adjusted R-squared:  -0.002518 
## F-statistic: 0.8183 on 3 and 214 DF,  p-value: 0.485
summary(lm(more_interesting ~ cond +  major + declared, lab))
## 
## Call:
## lm(formula = more_interesting ~ cond + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -3.7307 -0.8372  0.2813  1.2968  2.6827 
## 
## Coefficients:
##             Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  4.34186    0.44504   9.756   <2e-16 ***
## condcontrol -0.01848    0.22232  -0.083    0.934    
## major       -0.03649    0.02464  -1.481    0.140    
## declared     0.41335    0.38728   1.067    0.287    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 1.621 on 214 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.01364,    Adjusted R-squared:  -0.0001919 
## F-statistic: 0.9861 on 3 and 214 DF,  p-value: 0.4002
summary(lm(more_objective ~ cond + major + declared, lab))
## 
## Call:
## lm(formula = more_objective ~ cond + major + declared, data = lab)
## 
## Residuals:
##    Min     1Q Median     3Q    Max 
## -4.002 -0.945  0.055  1.055  2.171 
## 
## Coefficients:
##             Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  4.73292    0.36944  12.811   <2e-16 ***
## condcontrol -0.11629    0.18501  -0.629    0.530    
## major        0.00476    0.02056   0.231    0.817    
## declared     0.20728    0.32150   0.645    0.520    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 1.345 on 213 degrees of freedom
##   (4 observations deleted due to missingness)
## Multiple R-squared:  0.003781,   Adjusted R-squared:  -0.01025 
## F-statistic: 0.2695 on 3 and 213 DF,  p-value: 0.8473
summary(lm(computation_skill ~ cond +  major + declared, lab))
## 
## Call:
## lm(formula = computation_skill ~ cond + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -4.0806 -0.9376  0.0369  1.0567  2.1547 
## 
## Coefficients:
##             Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  5.06201    0.39777  12.726   <2e-16 ***
## condcontrol  0.01990    0.19871   0.100    0.920    
## major       -0.01958    0.02202  -0.889    0.375    
## declared     0.01829    0.34614   0.053    0.958    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 1.449 on 214 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.003729,   Adjusted R-squared:  -0.01024 
## F-statistic: 0.267 on 3 and 214 DF,  p-value: 0.8492
summary(lm(save_time ~ cond +  major+ declared, lab))
## 
## Call:
## lm(formula = save_time ~ cond + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -3.8941 -1.0132  0.1519  1.1978  2.6116 
## 
## Coefficients:
##             Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  4.44985    0.44885   9.914   <2e-16 ***
## condcontrol  0.20478    0.22423   0.913   0.3621    
## major       -0.04598    0.02485  -1.850   0.0657 .  
## declared     0.49023    0.39059   1.255   0.2108    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 1.635 on 214 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.02502,    Adjusted R-squared:  0.01135 
## F-statistic: 1.831 on 3 and 214 DF,  p-value: 0.1425
summary(lm(focus_interesting ~ cond +  major + declared, lab))
## 
## Call:
## lm(formula = focus_interesting ~ cond + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -3.8831 -0.8182  0.1731  1.1387  2.2647 
## 
## Coefficients:
##              Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  4.751021   0.361405  13.146   <2e-16 ***
## condcontrol -0.040112   0.180541  -0.222    0.824    
## major       -0.008321   0.020008  -0.416    0.678    
## declared     0.124270   0.314496   0.395    0.693    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 1.316 on 214 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.001515,   Adjusted R-squared:  -0.01248 
## F-statistic: 0.1082 on 3 and 214 DF,  p-value: 0.9552

Mediators as moderators

summary(lm(DV ~ cond*decrease_chances +  major + declared, lab))
## 
## Call:
## lm(formula = DV ~ cond * decrease_chances + major + declared, 
##     data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -5.4165 -1.3347  0.2085  1.6708  5.1845 
## 
## Coefficients:
##                              Estimate Std. Error t value Pr(>|t|)    
## (Intercept)                   5.98252    0.86959   6.880 6.64e-11 ***
## condcontrol                  -0.22302    0.97373  -0.229   0.8191    
## decrease_chances             -0.03730    0.13977  -0.267   0.7898    
## major                        -0.30706    0.03299  -9.307  < 2e-16 ***
## declared                      1.15996    0.52115   2.226   0.0271 *  
## condcontrol:decrease_chances  0.18250    0.19389   0.941   0.3476    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.17 on 212 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.3049, Adjusted R-squared:  0.2885 
## F-statistic:  18.6 on 5 and 212 DF,  p-value: 2.635e-15
summary(lm(DV ~ cond*threaten +  major + declared, lab))
## 
## Call:
## lm(formula = DV ~ cond * threaten + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -5.4743 -1.2446  0.2208  1.7191  5.0822 
## 
## Coefficients:
##                      Estimate Std. Error t value Pr(>|t|)    
## (Intercept)           6.19771    0.82541   7.509 1.64e-12 ***
## condcontrol           0.09938    0.90892   0.109   0.9130    
## threaten             -0.08089    0.13777  -0.587   0.5577    
## major                -0.30561    0.03318  -9.210  < 2e-16 ***
## declared              1.13050    0.52124   2.169   0.0312 *  
## condcontrol:threaten  0.12028    0.18601   0.647   0.5186    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.174 on 212 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.3022, Adjusted R-squared:  0.2858 
## F-statistic: 18.37 on 5 and 212 DF,  p-value: 3.88e-15
summary(lm(DV ~ cond*more_interesting +  major + declared, lab))
## 
## Call:
## lm(formula = DV ~ cond * more_interesting + major + declared, 
##     data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -5.3881 -1.2801  0.1108  1.6341  4.9574 
## 
## Coefficients:
##                              Estimate Std. Error t value Pr(>|t|)    
## (Intercept)                   5.40402    0.90963   5.941 1.15e-08 ***
## condcontrol                   0.48126    0.88771   0.542   0.5883    
## more_interesting              0.11193    0.13464   0.831   0.4067    
## major                        -0.30212    0.03315  -9.113  < 2e-16 ***
## declared                      1.02868    0.52736   1.951   0.0524 .  
## condcontrol:more_interesting  0.03888    0.18561   0.209   0.8343    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.165 on 212 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.3078, Adjusted R-squared:  0.2915 
## F-statistic: 18.86 on 5 and 212 DF,  p-value: 1.704e-15
summary(lm(DV ~ cond*more_objective + major + declared, lab))
## 
## Call:
## lm(formula = DV ~ cond * more_objective + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -5.4500 -1.2842  0.1421  1.6690  5.4449 
## 
## Coefficients:
##                            Estimate Std. Error t value Pr(>|t|)    
## (Intercept)                 5.60445    1.00084   5.600 6.64e-08 ***
## condcontrol                 0.42768    1.13635   0.376   0.7070    
## more_objective              0.05828    0.16240   0.359   0.7200    
## major                      -0.30445    0.03331  -9.140  < 2e-16 ***
## declared                    1.07297    0.52132   2.058   0.0408 *  
## condcontrol:more_objective  0.04513    0.22242   0.203   0.8394    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.176 on 211 degrees of freedom
##   (4 observations deleted due to missingness)
## Multiple R-squared:  0.2969, Adjusted R-squared:  0.2802 
## F-statistic: 17.82 on 5 and 211 DF,  p-value: 1.011e-14
summary(lm(DV ~ cond*computation_skill +  major + declared, lab))
## 
## Call:
## lm(formula = DV ~ cond * computation_skill + major + declared, 
##     data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -5.3529 -1.2944  0.1926  1.6918  5.0383 
## 
## Coefficients:
##                               Estimate Std. Error t value Pr(>|t|)    
## (Intercept)                    5.69534    0.96673   5.891 1.49e-08 ***
## condcontrol                    0.84419    1.06582   0.792   0.4292    
## computation_skill              0.03355    0.15253   0.220   0.8261    
## major                         -0.30628    0.03314  -9.242  < 2e-16 ***
## declared                       1.10233    0.51997   2.120   0.0352 *  
## condcontrol:computation_skill -0.03832    0.20594  -0.186   0.8526    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.176 on 212 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.3009, Adjusted R-squared:  0.2845 
## F-statistic: 18.25 on 5 and 212 DF,  p-value: 4.696e-15
summary(lm(DV ~ cond*save_time +  major+ declared, lab))
## 
## Call:
## lm(formula = DV ~ cond * save_time + major + declared, data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -5.3731 -1.2936  0.2626  1.6306  4.7168 
## 
## Coefficients:
##                        Estimate Std. Error t value Pr(>|t|)    
## (Intercept)            5.255871   0.904870   5.808 2.29e-08 ***
## condcontrol            0.597921   0.919468   0.650    0.516    
## save_time              0.136746   0.140709   0.972    0.332    
## major                 -0.300162   0.033284  -9.018  < 2e-16 ***
## declared               1.033802   0.519720   1.989    0.048 *  
## condcontrol:save_time  0.005767   0.182926   0.032    0.975    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.164 on 212 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.3086, Adjusted R-squared:  0.2923 
## F-statistic: 18.93 on 5 and 212 DF,  p-value: 1.515e-15
summary(lm(DV ~ cond*focus_interesting +  major + declared, lab))
## 
## Call:
## lm(formula = DV ~ cond * focus_interesting + major + declared, 
##     data = lab)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -5.3667 -1.3450  0.1936  1.6748  4.8759 
## 
## Coefficients:
##                               Estimate Std. Error t value Pr(>|t|)    
## (Intercept)                    5.35928    0.97215   5.513 1.02e-07 ***
## condcontrol                    0.78115    1.12749   0.693   0.4892    
## focus_interesting              0.10539    0.15877   0.664   0.5075    
## major                         -0.30550    0.03311  -9.227  < 2e-16 ***
## declared                       1.09150    0.51937   2.102   0.0368 *  
## condcontrol:focus_interesting -0.02565    0.22602  -0.113   0.9098    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 2.173 on 212 degrees of freedom
##   (3 observations deleted due to missingness)
## Multiple R-squared:  0.303,  Adjusted R-squared:  0.2866 
## F-statistic: 18.44 on 5 and 212 DF,  p-value: 3.449e-15