Using the earned value analysis technique, a project manager calculates a schedule performance index of $0\mathrm{.}75$ and a cost performance index of $1\mathrm{.}25.$ To bring the schedule back on track, the project manager decides to allocate additional resources to critical activities to complete them faster. Which technique are they using to control the schedule?$$

Question $13$ options:

leads and lags$$

crashing$$

fast tracking$$

resource optimization$$