Answer the following statement(s) true (T) or false (F)
1. An r2 = .86 is considered a ‘large’ effect size according to Cohen.
2. A Cohen’s d value of .25 may be considered to be a large effect.
3. A type I error only affects the research community.
4. Type I errors occur as the result of chance factors.
5. Lowering alpha from ? = .05 to ? = .01 is a way to reduce type I error.
1. TRUE
2. FALSE
3. FALSE
4. TRUE
5. TRUE
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A researcher wants to understand the effect of parental drug use on children. Which research design should she use?
a. qualitative b. nonexperimental correlational c. experimental d. clinical
FAS can cause learning disabilities and physical abnormalities
Indicate whether the statement is true or false.
How do the recommendations of the Division for Early Childhood (known as "DEC") of the Council for Exceptional Children differ from the guidelines of NAEYC?
a. DEC guidelines focus on all children while NAEYC focuses only on very young children. b. DEC guidelines focus specifically on children who have disabilities or who are at risk for acquiring disabilities. c. DEC guidelines focus on the children of professionals. d. all of the above
The most commons feelings associated with eating disorders are ___________ and ___________
Fill in the blank(s) with correct word