validity and reliability

  Use the resources below to assist. Highlight at least one threat to internal or external validity or reliability. Explore why this threat is problematic and how it could be remedied. Comment on the articles discussed by your classmates. Consider which validity threats are most common. Which are the most difficult to deal with? 

Juhani Ukko, Minna Saunila & Tero Rantala (2020) Connecting relational mechanisms to performance measurement in a digital service supply chain, Production Planning & Control, 31:2-3, 233-244, DOI: 10.1080/09537287.2019.1631466