Question

A researcher using the twin-study method finds an average correlation of .50 between monozygotic twins' scores on a measure of self-esteem. The researcher finds an average correlation of .30 between dizygotic twins' scores on this measure. The difference between the size of the correlation's is statistically significant. What conclusion might the researcher draw from these results?

A. Genetics has more of an influence on self esteem than environment has.B. There is evidence for a genetic influence on self esteem.C. There is no evidence for a genetic influence on self esteem.D. The results are opposite of what would be expected if there were a genetic influence on self esteem.

Answer 1

This article makes reference to a twin study specifically measuring genetic influence on the trait of self-confidence. What did this research suggest self-confidence may predict in regard to students in school?

Explanation: the answer for the essay down below

Students in school 40 percent to 80 percent of the variance in IQ is linked to genetics, intelligence quotient evident among the children going to school and the children have many factors behind the disparity that is observed,

100%

Answer 2

B. There is evidence for a genetic influence on self esteem.

Step-by-step explanation:

since the difference between the size of the correlation's is statistically significant. this is an indication that genetics has influence on self esteem