Research Article
Evaluating a Taxonomy for Mobility Requirements by a Controlled Experiment
Table 3
Quality analysis of requirements found by the two group participants.
| | Variable | Treatment group | Control group |
Diff |
Effect size |
Sign.? | | Mean | St.dev. | Mean | St.dev. |
| | QM? | 1.98 | 0.73 | 1.97 | 0.74 | 0.01 | 0.01 | No | | RM? | 2.35 | 0.82 | 2.15 | 0.98 | 0.20 | 0.20 | No | | CM? | 1.83 | 0.99 | 1.98 | 0.96 | −0.15 | −0.16 | No | | TM? | 1.75 | 0.80 | 1.77 | 0.82 | −0.02 | −0.03 | No | | QX? | 1.08 | 0.75 | 1.19 | 0.72 | −0.11 | −0.15 | No | | RX? | 0.88 | 0.96 | 0.82 | 0.95 | 0.06 | 0.06 | No | | CX? | 1.29 | 1.03 | 1.34 | 0.94 | −0.05 | −0,05 | No | | TX? | 1.08 | 0.90 | 1.42 | 0.86 | −0.34 | −0.39 | No | | QO? | 1.17 | 0.77 | 1.43 | 0.79 | −0.26 | −0.32 | No | | RO? | 0.37 | 0.58 | 0.74 | 1.00 | −0.37 | −0.37 | No | | CO? | 1.51 | 1.29 | 1.80 | 1.05 | −0.29 | −0,28 | No | | TO? | 1.63 | 1.16 | 1.74 | 1.08 | −0.10 | −0.10 | No | | QA? | 1.56 | 0.85 | 1.59 | 0.82 | −0.03 | −0.04 | No | | RA? | 1.52 | 1.19 | .1.35 | 1.19 | 0.17 | 0.14 | No | | CA? | 1.62 | 1.09 | 1.76 | 1.01 | −0.14 | −0.14 | No | | TA? | 1.55 | 0.95 | 1.67 | 0.93 | −0.12 | −0.1 | No |
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