What type of data consists of ordered categories but does not have a true zero point?

The correct choice is Interval data. This type of data is characterized by ordered categories where the intervals between the values are meaningful and equal. However, it lacks a true zero point, meaning that the zero does not represent the absence of the quantity being measured.

For instance, temperature measured in Celsius or Fahrenheit is a classic example of interval data. In these scales, a temperature of 0 degrees does not indicate an absence of temperature; rather, it is simply a point on the scale. The differences between values (such as the difference between 20 degrees and 30 degrees) are consistent and meaningful, allowing for comparisons in terms of how much more or less one value is than another.

This distinction is crucial in understanding how different types of data can be used in assessment and measurement in occupational therapy practice, as the choice of statistical methods and interpretations of results are dependent on the nature of the data being analyzed.