Table 4

 Within and between measurement repeatability for the CSLM and the NSLM (n = 49–55)

TestRepeatability coefficient
Within measurementsBetween measurements
For the CSLM, “within” values are better than “between” values, indicating that successive measurements are related. For the NSLM, “within” values are not better than between values, suggesting that successive measurements are independent. Values are higher than values in table 1, because values in this table reflect the repeatability of single knob settings and values in table 1 reflect repeatability of measurements, consisting of three knob settings
Conventional stray light meter0.2820.430
New stray light meter0.4890.394