Chapter 14 - Skeleton - Psy250 Scientific Inquiry Chapter...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
Generalizing Results Psy250: Scientific Inquiry Chapter 14
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Recall… Internal Validity: certainty with which results of an experiment can be attributed to the manipulation of the IV rather than to some other confounding variable External Validity: the degree to which the results of an experiment may be generalized
Background image of page 2
Generalized - to other population? To other ways of manipulating the IV? To other ways of measuring DV ?
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Generalizing to Other Populations of Research Participants Though we use random assignment to conditions… Rarely are participants randomly selected from the population In psychological research participants are often selected because they are available
Background image of page 4
College Students Studies have shown that over 70% of published psychological research used college students as subjects
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
College Students Highly restricted population:- self-identity still developing, mostly freshmen and sophomores, attitudes in state flux, need for peer approval, unstable relationship, rather intelligent, know how to gain approval of authority. So what we know about people in general might actually be limited to a very select group of people
Background image of page 6
Volunteers Most research relies on asking people to volunteer to participate Introductory Psychology students required to either volunteer to participate or write research summaries Research on populations other than college students must rely even more heavily on volunteers - ex. Married couples studies.
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Volunteers But…volunteers are different from nonvolunteers: - volunteers more highly educated, higher in need for approval, higher SES, more social. -Different kinds of people volunteer for different kinds of studies -money? - Titles of studies?
Background image of page 8
Sometimes only men or only women (or disproportionate ratio) will be examined One gender might be more available Procedures might be easier with one gender Ex. Confederate flirting study Would results generalize to other gender?
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/10/2011 for the course PSY 250 taught by Professor Briannalharris during the Summer '10 term at State University of New York.

Page1 / 28

Chapter 14 - Skeleton - Psy250 Scientific Inquiry Chapter...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online