A researcher believes that adding 20 minutes of cardio exercise to the daily activities of university students will increase their self-reported self-esteem. She chooses a significance level of .05, therefore, zcritical is ______.
a. 1.96
b. –1.96
c. 1.645
d. –1.645
Ans: C
You might also like to view...
In recent decades, the age at which individuals marry for the first time has
a. increased for men and remained stable for women. b. increased for women and remained stable for men. c. decreased for both men and women. d. increased for both men and women.
The Pirahã people illustrate how culture impacts thinking. They:
A. only have words for relative amounts, but not specific numbers B. only have words for specific numbers, but not relative amounts C. they have no words for any quantity above one D. they think of numbers in terms of images
Hebb’s speculations regarding how cell assemblies and phase sequences develop has led to a new research area called:
a. cybernetics b. computer simulation c. information-processing models d. connectionism
The chronic stress of early, deprived orphanage rearing
A) seems to affect girls more severely than boys. B) fosters resilience, as it prepares children for later stressful events. C) has no effect on the brain's capacity to manage stress. D) disrupts the brain's capacity to manage stress.