Research on the determinants of intelligence indicates that

Indicates the independent factors affecting dependent variable intelligence, & their relationship with the variable 'intelligence'

Explanation:

Research is a systematic study of existing knowledge, & devising new knowledge based applications, on the selected topic.

Research Dependent Variable is the core variable, whose aspects are to be studied. Independent Variable(s) are the variables which effect the dependent variable.

Given Case : 'Research on determinants of Intelligence' has Intelligence has dependent variable & its determinants as independent variables. The determinants could be : Education Level , Parent's intelligence level & Addiction habits, physical - mental illness. As per given  determinants examples, first two determinants impact intelligence positively & second two determinants impact intelligence negatively.

answer; specific deterrence;