What type of variable has an unpredictable impact on the dependent variable?

What type of variable has an unpredictable impact on the dependent variable?

a) wild variable
b) independent variable
c) extraneous variable
d) moderator variable

Dr. French makes sure that she has multiple video cameras recording her observation room during data collection. She also has multiple research assistants review the video recordings after the data are collected. This is to control for

a. attribute errors
b. participant effects
c. experimenter expectancy
d. recording errors

Which of the following is NOT one of the requirements of the regression discontinuity design.

a. group assignment must be based on a cutoff score
b. the cutoff score should be located at one of the extreme ends of the distribution
c. the experimenter must control the assignment of participants to groups
d. all participants must be from the same population

Using the mean of a sample to estimate the mean of a population is called

a. interval estimation.
b. point estimation.
c. sample mean estimation. d. population mean estimation.

What are the most important primary sources of information about a topic?

a) newspapers
b) magazines
c) journals
d) books

Home Search Q & A Board Gallery Resource Library Blog Dictionary Chat	Quick Links Start a Topic Latest Topics Unanswered Questions Courses Study Tools Browse by Textbook	Social Facebook YouTube Community Stats Who's Online Trending Staff	Help About Us Take the Tour Study Tips Posting Guidelines Terms and Policies Contact Us
Biology Forums - Study Force © 2010-2024 \| Powered by SMF \| SMF © 2015, Simple Machines \| Sitemap Biology-Forums.com is not affiliated with any publisher. Book covers, title and author names appear for reference only.

What type of variable has an unpredictable impact on the dependent variable?

Related Topics