After 20 Years the Boys Are Contacted by a Researcher

question 57

Multiple Choice

After 20 years the boys are contacted by a researcher who is conducting a study on twins separated at birth and adopted by different families. John says that he finds it difficult to sustain relationships because he was not provided the support and care that he needed by his adopted mother as an infant. Which theory would best explain John's predicament?​

• A) ​Attachment theory
• B) ​Behavior theory
• C) ​Information-processing theory
• D) ​​Nature theory

---

Definitions:

Hormone

A chemical substance produced in the body that controls and regulates the activity of certain cells or organs.

Solubility

The ability of a substance to dissolve in a solvent, resulting in a homogeneous mixture or solution.

Enzymes

Biological molecules that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.

Tubules

Small tubes or tunnel-like structures found in various organs and tissues, involved in transport and filtration processes.