Paired Samples Correlations
                                     N    Correlation   Sig.
Pair 1 Ap1 & Cp1         13     .146          .634
Pair 2 Ap2 & Cp2         13      -.660        .014
Pair 3 Ap3 & Cp3         13      -.653        .015
Pair 4 Ap4 & Cp4         13      .590         .034

Paired Samples Test
                    Paired Differences                                                                                

                                                                                                                                                                                     t           df       Sig. (2-tailed)
                                   Mean         Std. Deviation     Std. Error Mean     95% Confidence Interval of the Difference     
                                                                                                                        Lower    Upper    
Pair 1 Ap1 - Cp1      -.90769           .66390         .18413                               -1.30889    -.50650                                 -4. 930    12     .000
Pair 2 Ap2 - Cp2      -1.45385          .75456         .20928                              -1.90982    -.99787                                 -6.947     12     .000
Pair 3 Ap3 - Cp3     -1.41538           .91819         .25466                              -1.97024    -.86053                                 -5.558     12     .000
Pair 4 Ap4 - Cp4     -1.72308           .81665         .22650                             -2.21658    -1.22958                                -7.607     12     .000