Table 3. Means and SDs of measured response times (in ms) by software (Study 2).
| Descriptives | Comparison of Variances | |||
| Software | M | SD | F(1,198) | p |
| ScriptingRT | 92.80 | 4.21 | – | – |
| E-Prime SRB (PR = 0) | 56.91 | 1.37 | 131.89 | <.001 |
| E-prime SRB (PR = 2000) | 56.47 | 1.85 | 102.56 | <.001 |
| E-prime (PR = 0) | 84.58 | 6.25 | 12.84 | <.001 |
| E-prime (PR = 2000) | 70.96 | 3.30 | 7.57 | .006 |
| DMDX | 68.24 | 3.18 | 10.75 | .001 |
| Inquisit | 70.05 | 3.20 | 9.78 | .002 |
| Superlab | 98.18 | 4.17 | <1 | .822 |
| InquisitWeb | 66.21 | 2.74 | 24.04 | <.001 |
Note. Last two columns show comparisons of each variance to the variance measured by ScriptingRT (first row). All measures used a keyboard except those labelled SRB, indicating Serial Response Box. PR = PreRelease in E-Prime.