Answer:
b. scale
Step-by-step explanation:
In order for Freda to develop a measure of support for the legalization of marijuana such that she can assign scores to patterns of responses, such that some items reflect a relatively weak degree of the variable while others reflect something stronger, she should use a scale because they rank-order the units of analysis in terms of specific variables.
It is an ideal process of measuring or ordering entities with respect to quantitative attributes.