Question: Correlation studies are often used to help determine whether certain characteristics are controlled more by genetic influences or by environmental influences. These studies often examine

Correlation studies are often used to help determine whether certain characteristics are controlled more by genetic influences or by environmental influences.

These studies often examine adopted children and compare their behaviors with the behaviors of their birth parents and their adoptive parents. One study examined how much time individuals spend watching TV (Plomin, Corley, DeFries, & Fulker, 1990). The following data are similar to the results obtained in the study.

Amount of Time Spent Watching TV Adopted Children Birth Parents Adoptive Parents 2 0 1 3 3 4 6 4 2 1 1 0 3 1 0 0 2 3 5 3 2 2 1 3 5 3 3

a. Compute the correlation between the children and their birth parents.

b. Compute the correlation between the children and their adoptive parents.

c. Based on the two correlations, does TV watching appear to be inherited from the birth parents or is it learned from the adoptive parents?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Statistics For Experimentert Questions!

Correlation studies are often used to help determine whether certain characteristics are controlled more by genetic influences or by environmental influences. These studies often examine adopted...

1. Compute the correlation for the following data. Then, add another point (12, 8) and calculate the new correlation. Explain how the two correlations differ. 2. Below are three scores for each of...

8. Correlation studies are often used to help determine whether certain characteristics are controlled more by genetic influences or by environmental influences. These studies often examine adopted...

Correlation studies are often used to help determine whether certain characteristics are controlled more by genetic influences or by environmental influences. These studies often examine adopted...

What is the role of assessment for how you think learning happens? \ A more expansive view of what learning looks like can help us create good schools for today's students and today's society. By...

1. Describe what each assumption means to you and provide examples of each assumption. a. Development is multidimensional Aspects of our lives, such as intellectual, physical, and social, change in...

Corporate governance and environmental reporting: an Australian study Kathyayini Kathy Rao, Carol A. Tilt and Laurence H. Lester Kathyayini Kathy Rao is a Post Graduate Research Student and Carol A....

The Aggies will host Tech in this years homecoming football game. Based on advance ticket sales, the athletic department has forecast hot dog sales as shown in the following table. The school buys...

Polonium-214 can decay by alpha decay. (a) The product of its decay has how many fewer protons than polonium-214: (1) zero, (2) one, (3) two, or (4) four? (b) Write the nuclear equation for this...

Direct Materials Used, Cost of Goods Manufactured Refer to the information for Lauren Ashley. In September, Lauren Ashley Company purchased materials costing $200,000 and incurred direct labor cost...

a. The United States Congress is well qualified to debate and set generally accepted accounting principles. Comment. b. Speculate on why these bills were directed to amend the Securities Exchange Act...