$2$ points

Tyson developed a coding system to measure the quality of news coverage his client earns. For each article, Tyson awards points based on his coding system, for example, three points if his client is in the headline, or two points if the article includes a quote from his client. Tyson uses the same criteria for scoring every article for a full year to measure the quality of coverage overall. By using the same coding system, Tyson can ensure his content analysis is $$

a$.$ Efficient

b$.$ Valid

c$.$ Constructive

d$.$ Reliable