The independent samples t test rests on the assumption that ______.

A. population sizes are equal
B. populations variances are equal
C. sample sizes are equal
D. sample means are equal


Answer: B

Psychology

You might also like to view...

Which of the following students' statements provides the best summary of the information on aphasia?

a. Uma: "People with Broca's aphasia have trouble expressing language; their language comprehension is normal." b. John: "Contrary to popular opinion, Broca's aphasia and Wernicke's aphasia are virtually identical." c. Lata: "People with Wernicke's aphasia produce large quantities of speech, but it often doesn't make sense; they also have trouble understanding speech." d. Suzanne: "People with Wernicke's aphasia can understand instructions that involve a sequence of actions; people with Broca's aphasia cannot understand this kind of message."

Psychology

Feminist psychology has influenced the study of men

Indicate whether this statement is true or false.

Psychology

Summarize Freud's stages of psychosexual development. How does one normally progress through the stages? What happens if a stage is not successfully resolved?

What will be an ideal response?

Psychology

On average, during the preschool years, boys start becoming ___________ and ___________ than girls

a. shorter; quicker c. taller; heavier b. shorter; heavier d. taller; slower

Psychology