Which of the following represents an example of regression to the mean?
a. Each year a baseball player hits more home runs than the previous year.
b. After ten trials of a correlational design, the standard deviation increases.
c. After winning an Oscar, an actress has trouble finding jobs in feature films.
d. Furniture from famous people tends to sell at similar prices to those from non-famous people.
Question 2
A researcher is unable to retest some of his participants in a before-after design because they have dropped out of the program. This is an example of a(n) ________threat.
a. attrition
b. retesting
c. maturation
d. confounding
Changes in boreal forest composition along a chronosequence in Quebec. Dates refer to the year of th
This 80-year old man in a village in Hubei, China, has slowed down, but he has not retired. He is ...
The hatred and vengeance of adults become the children’s heritage. The headband of this 4-year-old ...
Honey should never be given to children younger than one year of age
Top Eleven Countries in Year 2009 According to Three Different Measures
Charlie Stone wants to retire in 30 years, and he wants to have an annuity of $1000 a year for ...