Based on This Following Abstract Taken from a 2012 Issue

Multiple Choice

based on this following abstract taken from a 2012 issue of Psychological Science . The authors of the paper examined the effects of an intervention on adolescents' enrollment in STEM courses. Instructors are advised to use the reference below to retrieve the original abstract for their use.
Harackiewicz, J. M., Rozek, C. S., Hulleman, C. S., & Hyde, J. S. (2012) . Helping parents to motivate adolescents in mathematics and science an experimental test of a utility-value intervention. Psychological Science, 0956797611435530.
-Which of the following is a reasonable claim regarding the research?

A) Since the research is looking at an applied real-world problem, it is atheoretical.
B) The research could have low external validity because it was conducted in a laboratory setting.
C) The findings are not necessarily generalizable unless the researchers had controlled for factors such as SES.
D) The researchers avoided problems like participant attrition by studying students who were in school and their parents.