Question

researchers ensure confidentiality by: measuring the strength of the relationships between two variables. offering guidance for designing new studies. ensuring that groups of participants are roughly equal on all characteristics. taking steps to safeguard research data from misuse or theft.

Explanation:

Confidentiality in research refers to protecting participants' private data. The other options describe statistical analysis, research design support, and experimental group balancing, which are unrelated to data protection. Only safeguarding data from misuse/theft directly ensures confidentiality.

Answer:

taking steps to safeguard research data from misuse or theft.