Diana has an independent variable with three levels and she is using a within-subject design. She uses a Latin-square design to help ensure that the orders in which participants experience the levels of the independent variable occur equally as often across participants. She is ______ the order of treatments.
A. randomizing
B. counterbalancing
C. squaring
D. matching
Ans: B
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When Melanie first meets Jen, she thinks it is a little weird that Jen cracks her knuckles. The more they are together, the more annoying Melanie finds Jen's habit. Melanie is experiencing the ________________ effect
Fill in the blank(s) with correct word
One finding of the Merikangas et al. (2010) epidemiological study is that ____
a. males and females tend to differ in the kinds of disorders they experience b. adolescents have a lower rate of mood disorders than adults c. almost 50 percent of adolescents meet criteria for at least one psychological disorder d. people living in rural areas have a much higher incidence of mental disorders than do people living in urban areas
PET scans cannot detect changes in activity that are briefer than about 30 seconds.
Answer the following statement true (T) or false (F)
The null hypothesis gets its name from the meaning of the word null, which is _____
a. zero c. empirical b. need d. testable