![]() You find that the average participant believes they are smarter than 66% of their peers.Ĭan you conclude that most people believe themselves to be much better than others at maths and science? In a laboratory setting, you administer a mathematics and science test and then ask them to rate how well they think performed. They are science and engineering majors most of them are American, male, 18–20 years old and from a high socioeconomic background. Your target population is the 10,000 undergraduate students at your university. Example: low population validityYou want to test the hypothesis that people tend to perceive themselves as smarter than others in terms of academic abilities. ![]() With this type of sampling, the generalizability of results is limited to populations that share similar characteristics with the sample. Non-probability sampling methods are often used for convenience. ![]() Population validity depends on the choice of population and on the extent to which the study sample mirrors that population. Population validity refers to whether you can reasonably generalize the findings from your sample to a larger group of people (the population). There are two main types of external validity: population validity and ecological validity. ![]() Frequently asked questions about external validity.Threats to external validity and how to counter them.Trade-off between external and internal validity. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |