Each outcome had 4
ordinal levels based on frequency of the behavior — never, once or twice, sometimes, and once a week or more.
Not exact matches
Higher
levels can use the 4 smaller piggy banks to work out more complex combinations of coins and then to rank them using
ordinals (1st, 2nd, 3rd, 4th).
A second
level of reading is phonetic; this concept corresponds roughly to
ordinal numbers.
The three
levels of numerical understanding — nominal,
ordinal, and interval — correspond to different forms of scaling.