If a researcher wants to use a summative scale to evaluate a participant's viewpoint using ranked responses in order of agreement, s/he would use a scale. An example of answers to this type of scale would be:

According to this map, which of these statements about cuban economic activity is true? a) coffee is not a valuable commodity in cuba. b) cattle ranching is found only in the western half of cuba. c) tobacco is grown in most areas of the country. d) manufacturing is limited to mostly the southern coast.