Test for Manipulation check Item #1

Descriptive statistics:

     group1 mean   sd   se
X11   harsh 3.35 0.95 0.16
X12 mastery 3.72 0.92 0.17
X13    mild 3.26 1.11 0.19

ANOVA test:

            Df Sum Sq Mean Sq F value Pr(>F)
cond1        2   3.67  1.8334   1.836  0.165
Residuals   97  96.84  0.9984               


Post-hoc (Tukey test)

                diff   lwr  upr p adj
mastery-harsh  0.373 -0.22 0.96  0.29
mild-harsh    -0.087 -0.65 0.48  0.93
mild-mastery  -0.459 -1.06 0.14  0.17


Test for Manipulation check Item #2

Descriptive statistics:

     group1 mean   sd   se
X11   harsh 1.84 0.87 0.14
X12 mastery 1.38 0.68 0.13
X13    mild 1.53 0.61 0.11

ANOVA test:

            Df Sum Sq Mean Sq F value Pr(>F)  
cond1        2   3.67  1.8374   3.406 0.0372 *
Residuals   97  52.33  0.5394                 
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1


Post-hoc (Tukey test)

               diff   lwr    upr p adj
mastery-harsh -0.46 -0.89 -0.025 0.036
mild-harsh    -0.31 -0.72  0.107 0.186
mild-mastery   0.15 -0.29  0.592 0.699



DV: Perceived competence

Descriptive statistics:

     group1 mean   sd   se
X11   harsh 1.77 0.69 0.11
X12 mastery 2.37 0.80 0.15
X13    mild 1.83 0.72 0.12

ANOVA test:

            Df Sum Sq Mean Sq F value  Pr(>F)   
cond1        2   6.76   3.382   6.269 0.00275 **
Residuals   97  52.32   0.539                   
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1


Post-hoc (Tukey test)

                diff   lwr    upr  p adj
mastery-harsh  0.602  0.17  1.036 0.0038
mild-harsh     0.068 -0.35  0.483 0.9207
mild-mastery  -0.534 -0.98 -0.093 0.0135



DV: Enjoyment

Descriptive statistics:

     group1 mean   sd   se
X11   harsh 3.56 1.04 0.17
X12 mastery 3.91 0.75 0.14
X13    mild 3.40 1.10 0.19

ANOVA test:

            Df Sum Sq Mean Sq F value Pr(>F)
cond1        2   4.14  2.0722   2.115  0.126
Residuals   97  95.05  0.9799               


Post-hoc (Tukey test)

               diff   lwr   upr p adj
mastery-harsh  0.35 -0.23 0.934  0.33
mild-harsh    -0.16 -0.72 0.403  0.78
mild-mastery  -0.51 -1.10 0.089  0.11



DV: Perceived Usefulness

Descriptive statistics:

     group1 mean   sd   se
X11   harsh 3.71 0.92 0.15
X12 mastery 3.90 0.67 0.12
X13    mild 3.21 0.97 0.17

ANOVA test:

            Df Sum Sq Mean Sq F value  Pr(>F)   
cond1        2   8.29   4.144   5.461 0.00566 **
Residuals   97  73.62   0.759                   
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1


Post-hoc (Tukey test)

               diff   lwr    upr  p adj
mastery-harsh  0.18 -0.33  0.699 0.6695
mild-harsh    -0.51 -1.00 -0.013 0.0428
mild-mastery  -0.69 -1.21 -0.167 0.0064



DV: Perceived Pressure

Descriptive statistics:

     group1 mean   sd   se
X11   harsh 3.21 1.22 0.20
X12 mastery 2.55 1.00 0.19
X13    mild 2.58 1.39 0.24

ANOVA test:

            Df Sum Sq Mean Sq F value Pr(>F)  
cond1        2   9.59   4.795   3.201 0.0451 *
Residuals   97 145.32   1.498                 
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1


Post-hoc (Tukey test)

                diff   lwr   upr p adj
mastery-harsh -0.655 -1.38 0.067 0.084
mild-harsh    -0.629 -1.32 0.063 0.083
mild-mastery   0.027 -0.71 0.763 0.996


DV: Extra attempt

Descriptive statistics:

     group1 mean   sd   se
X11   harsh 0.81 0.40 0.07
X12 mastery 0.86 0.35 0.07
X13    mild 0.76 0.43 0.07

ANOVA test:

            Df Sum Sq Mean Sq F value Pr(>F)
cond1        2  0.148  0.0742   0.472  0.625
Residuals   97 15.242  0.1571               


Post-hoc (Tukey test)

                diff   lwr  upr p adj
mastery-harsh  0.051 -0.18 0.29  0.86
mild-harsh    -0.046 -0.27 0.18  0.88
mild-mastery  -0.097 -0.34 0.14  0.60


DV: Time Dedicated to Puzzles (in seconds)

$ANOVA
       Effect DFn DFd      SSn    SSd        F        p p<.05     ges
1 (Intercept)   1  97 19264279 495291 3772.800 1.86e-79     * 0.95064
2        cond   2  97     4026 495291    0.394 6.75e-01       0.00401
3        time   2 194   353956 504893   68.002 4.17e-23     * 0.26139
4   cond:time   4 194     6175 504893    0.593 6.68e-01       0.00614

$`Mauchly's Test for Sphericity`
     Effect     W        p p<.05
3      time 0.637 4.03e-10     *
4 cond:time 0.637 4.03e-10     *

$`Sphericity Corrections`
     Effect   GGe    p[GG] p[GG]<.05   HFe    p[HF] p[HF]<.05
3      time 0.734 1.23e-17         * 0.742 8.21e-18         *
4 cond:time 0.734 6.17e-01           0.742 6.19e-01          


Changes in dedication (in seconds) across time:


Post-hoc comparisons:


Get the means per session, per condition:

 time cond1   emmean    SE  df lower.CL upper.CL
 1    harsh      208  9.64 291      189      227
 2    harsh      273  9.64 291      254      292
 3    harsh      282  9.64 291      263      301
 1    mastery    213 10.89 291      191      234
 2    mastery    280 10.89 291      259      302
 3    mastery    281 10.89 291      259      302
 1    mild       196 10.05 291      176      215
 2    mild       264 10.05 291      244      283
 3    mild       287 10.05 291      267      307

Confidence level used: 0.95 


Comparisons per condition, collapsing for session:

time = 1:
 contrast        estimate   SE  df t.ratio p.value
 harsh - mastery    -4.28 14.5 291  -0.295  0.9533
 harsh - mild       12.83 13.9 291   0.921  0.6273
 mastery - mild     17.12 14.8 291   1.155  0.4811

time = 2:
 contrast        estimate   SE  df t.ratio p.value
 harsh - mastery    -7.54 14.5 291  -0.518  0.8624
 harsh - mild        8.96 13.9 291   0.643  0.7962
 mastery - mild     16.50 14.8 291   1.113  0.5066

time = 3:
 contrast        estimate   SE  df t.ratio p.value
 harsh - mastery     1.07 14.5 291   0.073  0.9970
 harsh - mild       -5.20 13.9 291  -0.374  0.9260
 mastery - mild     -6.27 14.8 291  -0.423  0.9061

P value adjustment: tukey method for comparing a family of 3 estimates 


Comparisons for consecutive measurements:

 cond1   time contrast        estimate   SE  df t.ratio p.value
 harsh   .    time2 - time1     64.168 13.6 291   4.708  <.0001
 harsh   .    time3 - time2      9.186 13.6 291   0.674  0.9959
 mastery .    time2 - time1     67.421 15.4 291   4.379  0.0002
 mastery .    time3 - time2      0.583 15.4 291   0.038  1.0000
 mild    .    time2 - time1     68.038 14.2 291   4.785  <.0001
 mild    .    time3 - time2     23.350 14.2 291   1.642  0.6050
 .       1    mastery - harsh    4.284 14.5 291   0.295  1.0000
 .       1    mild - mastery   -17.116 14.8 291  -1.155  0.9031
 .       2    mastery - harsh    7.537 14.5 291   0.518  0.9993
 .       2    mild - mastery   -16.499 14.8 291  -1.113  0.9191
 .       3    mastery - harsh   -1.066 14.5 291  -0.073  1.0000
 .       3    mild - mastery     6.269 14.8 291   0.423  0.9998

P value adjustment: mvt method for 12 tests 


Comparisons for consecutive interactions:

 time_eff cond1_eff      estimate   SE  df t.ratio p.value
 1 effect harsh effect      2.201 6.62 291   0.333  0.9972
 2 effect harsh effect     -0.174 6.62 291  -0.026  1.0000
 3 effect harsh effect     -2.027 6.62 291  -0.306  0.9980
 1 effect mastery effect    2.900 7.03 291   0.412  0.9937
 2 effect mastery effect    3.779 7.03 291   0.537  0.9827
 3 effect mastery effect   -6.678 7.03 291  -0.949  0.8729
 1 effect mild effect      -5.101 6.75 291  -0.755  0.9409
 2 effect mild effect      -3.605 6.75 291  -0.534  0.9831
 3 effect mild effect       8.706 6.75 291   1.289  0.6899

P value adjustment: mvt method for 9 tests 



DV: Number of Movements

$ANOVA
       Effect DFn DFd     SSn    SSd        F        p p<.05     ges
1 (Intercept)   1  97 3588539 203757 1708.354 2.16e-63     * 0.90974
2        cond   2  97     539 203757    0.128 8.80e-01       0.00151
3        time   2 194   66462 152284   42.334 5.54e-16     * 0.15730
4   cond:time   4 194    7452 152284    2.373 5.37e-02       0.02050

$`Mauchly's Test for Sphericity`
     Effect     W        p p<.05
3      time 0.742 6.11e-07     *
4 cond:time 0.742 6.11e-07     *

$`Sphericity Corrections`
     Effect   GGe    p[GG] p[GG]<.05   HFe    p[HF] p[HF]<.05
3      time 0.795 3.30e-13         * 0.806 2.33e-13         *
4 cond:time 0.795 6.88e-02           0.806 6.79e-02          


Changes in movements across time:

Post-hoc comparisons:


Get the means per session, per condition:

 time cond1   emmean   SE  df lower.CL upper.CL
 1    harsh     93.2 5.75 291     81.9      105
 2    harsh    118.8 5.75 291    107.5      130
 3    harsh    120.6 5.75 291    109.3      132
 1    mastery   87.6 6.50 291     74.8      100
 2    mastery  121.5 6.50 291    108.7      134
 3    mastery  113.6 6.50 291    100.8      126
 1    mild      84.2 6.00 291     72.4       96
 2    mild     112.3 6.00 291    100.5      124
 3    mild     131.4 6.00 291    119.5      143

Confidence level used: 0.95 


Comparisons per condition, collapsing for session:

time = 1:
 contrast        estimate   SE  df t.ratio p.value
 harsh - mastery     5.66 8.68 291   0.653  0.7908
 harsh - mild        9.01 8.31 291   1.084  0.5246
 mastery - mild      3.35 8.84 291   0.378  0.9241

time = 2:
 contrast        estimate   SE  df t.ratio p.value
 harsh - mastery    -2.70 8.68 291  -0.311  0.9481
 harsh - mild        6.49 8.31 291   0.781  0.7150
 mastery - mild      9.19 8.84 291   1.039  0.5527

time = 3:
 contrast        estimate   SE  df t.ratio p.value
 harsh - mastery     7.00 8.68 291   0.807  0.6990
 harsh - mild      -10.73 8.31 291  -1.291  0.4012
 mastery - mild    -17.73 8.84 291  -2.006  0.1127

P value adjustment: tukey method for comparing a family of 3 estimates 


Comparisons for consecutive measurements:

 cond1   time contrast        estimate   SE  df t.ratio p.value
 harsh   .    time2 - time1      25.57 8.13 291   3.144  0.0196
 harsh   .    time3 - time2       1.84 8.13 291   0.226  1.0000
 mastery .    time2 - time1      33.93 9.19 291   3.694  0.0030
 mastery .    time3 - time2      -7.86 9.19 291  -0.856  0.9811
 mild    .    time2 - time1      28.09 8.48 291   3.311  0.0113
 mild    .    time3 - time2      19.06 8.48 291   2.247  0.2189
 .       1    mastery - harsh    -5.66 8.68 291  -0.653  0.9967
 .       1    mild - mastery     -3.35 8.84 291  -0.378  0.9999
 .       2    mastery - harsh     2.70 8.68 291   0.311  1.0000
 .       2    mild - mastery     -9.19 8.84 291  -1.039  0.9433
 .       3    mastery - harsh    -7.00 8.68 291  -0.807  0.9868
 .       3    mild - mastery     17.73 8.84 291   2.006  0.3500

P value adjustment: mvt method for 12 tests 


Comparisons for consecutive interactions:

 time_eff cond1_eff      estimate   SE  df t.ratio p.value
 1 effect harsh effect      3.254 3.95 291   0.824  0.9201
 2 effect harsh effect     -0.374 3.95 291  -0.095  1.0000
 3 effect harsh effect     -2.881 3.95 291  -0.730  0.9475
 1 effect mastery effect    0.912 4.20 291   0.217  0.9995
 2 effect mastery effect    5.647 4.20 291   1.346  0.6543
 3 effect mastery effect   -6.559 4.20 291  -1.563  0.5123
 1 effect mild effect      -4.166 4.03 291  -1.034  0.8341
 2 effect mild effect      -5.274 4.03 291  -1.309  0.6777
 3 effect mild effect       9.440 4.03 291   2.343  0.1281

P value adjustment: mvt method for 9 tests 

DV: Number of Assembled Pieces

$ANOVA
       Effect DFn DFd     SSn SSd       F        p p<.05     ges
1 (Intercept)   1  97 2028.00 296 664.987 3.31e-45     * 0.66517
2        cond   2  97    5.51 296   0.904 4.08e-01       0.00537
3        time   2 194  635.76 725  85.056 3.00e-27     * 0.38377
4   cond:time   4 194   21.87 725   1.463 2.15e-01       0.02098

$`Mauchly's Test for Sphericity`
     Effect     W        p p<.05
3      time 0.597 1.81e-11     *
4 cond:time 0.597 1.81e-11     *

$`Sphericity Corrections`
     Effect   GGe    p[GG] p[GG]<.05   HFe    p[HF] p[HF]<.05
3      time 0.713 3.54e-20         * 0.721 2.29e-20         *
4 cond:time 0.713 2.29e-01           0.721 2.28e-01          


Changes in assembled pieces across time:


Post-hoc comparisons:


Get the means per session, per condition:

 time cond1   emmean    SE  df lower.CL upper.CL
 1    harsh     4.65 0.308 291    4.043     5.25
 2    harsh     1.43 0.308 291    0.826     2.04
 3    harsh     1.97 0.308 291    1.367     2.58
 1    mastery   5.31 0.348 291    4.626     5.99
 2    mastery   1.17 0.348 291    0.488     1.86
 3    mastery   1.66 0.348 291    0.971     2.34
 1    mild      4.06 0.321 291    3.427     4.69
 2    mild      1.38 0.321 291    0.750     2.01
 3    mild      1.79 0.321 291    1.162     2.43

Confidence level used: 0.95 


Comparisons per condition, collapsing for session:

time = 1:
 contrast        estimate    SE  df t.ratio p.value
 harsh - mastery  -0.6617 0.465 291  -1.424  0.3296
 harsh - mild      0.5898 0.445 291   1.326  0.3821
 mastery - mild    1.2515 0.473 291   2.643  0.0234

time = 2:
 contrast        estimate    SE  df t.ratio p.value
 harsh - mastery   0.2600 0.465 291   0.560  0.8415
 harsh - mild      0.0501 0.445 291   0.113  0.9930
 mastery - mild   -0.2099 0.473 291  -0.443  0.8973

time = 3:
 contrast        estimate    SE  df t.ratio p.value
 harsh - mastery   0.3178 0.465 291   0.684  0.7729
 harsh - mild      0.1789 0.445 291   0.402  0.9148
 mastery - mild   -0.1389 0.473 291  -0.293  0.9536

P value adjustment: tukey method for comparing a family of 3 estimates 


Comparisons for consecutive measurements:

 cond1   time contrast        estimate    SE  df t.ratio p.value
 harsh   .    time2 - time1     -3.216 0.435 291  -7.386  <.0001
 harsh   .    time3 - time2      0.541 0.435 291   1.241  0.8641
 mastery .    time2 - time1     -4.138 0.492 291  -8.413  <.0001
 mastery .    time3 - time2      0.483 0.492 291   0.981  0.9584
 mild    .    time2 - time1     -2.676 0.454 291  -5.892  <.0001
 mild    .    time3 - time2      0.412 0.454 291   0.906  0.9735
 .       1    mastery - harsh    0.662 0.465 291   1.424  0.7581
 .       1    mild - mastery    -1.252 0.473 291  -2.643  0.0845
 .       2    mastery - harsh   -0.260 0.465 291  -0.560  0.9988
 .       2    mild - mastery     0.210 0.473 291   0.443  0.9998
 .       3    mastery - harsh   -0.318 0.465 291  -0.684  0.9954
 .       3    mild - mastery     0.139 0.473 291   0.293  1.0000

P value adjustment: mvt method for 12 tests 


Comparisons for consecutive interactions:

 time_eff cond1_eff      estimate    SE  df t.ratio p.value
 1 effect harsh effect    -0.1056 0.211 291  -0.500  0.9869
 2 effect harsh effect     0.0217 0.211 291   0.103  1.0000
 3 effect harsh effect     0.0839 0.211 291   0.397  0.9945
 1 effect mastery effect   0.5281 0.225 291   2.350  0.1265
 2 effect mastery effect  -0.2663 0.225 291  -1.185  0.7532
 3 effect mastery effect  -0.2619 0.225 291  -1.165  0.7642
 1 effect mild effect     -0.4225 0.216 291  -1.958  0.2804
 2 effect mild effect      0.2446 0.216 291   1.133  0.7821
 3 effect mild effect      0.1780 0.216 291   0.825  0.9200

P value adjustment: mvt method for 9 tests