During a clinical interview, survivors of a flood are asked to state "no" or "yes" to whether they have experienced specific symptoms of Post-Traumatic Stress Disorder (PTSD) in the past week. The interviewer adds up the total number of "yes" responses to create a Total PTSD Symptoms scale. What is the appropriate scale of measurement?

Nominal    

Explanation:

In statistics or research methods, a nominal scale is considered as the very first level of "measurement scale" wherein various numbers serve only as labels or tags in order to classify or identify a particular object. However, the nominal scale of measurement generally deals with only "non-numeric" i.e, quantitative variables or the place where different numbers don't have any value.

Example: Sex, religious affiliation, city, place, etc.

According to the question, the appropriate scale of measurement is the nominal scale.

it would be d). more resources must be obtained to attain that combination of goods and services

answer; the federal reserve system;