To run a ROC Curve analysis, from the menus choose:

Graphs
ROC Curve...

Select Assay result as the test variable.

Select Actual state as the state variable and type 1 as its positive value.

Select With diagonal reference line, Standard error and confidence interval, and Coordinate points of the ROC Curve.

Click OK.

These selections produce an ROC curve for how well Assay result reflects Actual state, an estimate of the area under the curve, and a table of the curve's coordinates.