I*.  ![](pone.0000000.t000){#pone.0000000.t000g}    -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------   Original Evaluations Items                    Concrete Design Features with Significant Impact             Constant   B Value   Beta\                                         T Value   Sig.                                            Mean/SD                                                                                                                                   (β)                                                                                                        --------------------------------------------- ------------------------------------------------------------ ---------- --------- --------------------------------------------- --------- ----------------------------------------------- ---------   ***Item 0*. *Favourable Level Design***       E. Increasing difficulty or speed of the levels              0.000      .000      .000                                          0.000     .000[\*\*\*](#t000fn000){ref-type="table-fn"}   0.000\                                                                                                                                                                                                                                           0.000    ***Item 0*. *Favourable Artistic Design***    