The sign of t is important because it indicates whether _____

a. the result is consistent with the null hypothesis
b. there was a mistake in the calculations
c. the result is consistent with a nondirectional hypothesis
d. the result is consistent with a directional alternative hypothesis


D
IF the independent variable increased the scores, t will be positive; if it decreased the scores, it will be negative. A directional alternative hypothesis specifies the direction of the change caused by the independent variable.

Psychology

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Haley is very upset about her hearing loss, but she is thrilled when the doctor tells her that they can treat her deafness by breaking apart the bones in her middle ear. Haley is experiencing ____ deafness.?

a. ?conduction b. ?nerve c. ?transduction d. ?tympanic

Psychology

Children with this condition unusually demonstrate facial abnormalities, central nervous system dysfunction, and altered brain development. They also experience difficulty with attention, learning, memory, regulation of emotions, and executive functioning. Their mothers' drinking during pregnancy increases the likelihood of this form of intellectual disability, which is estimated to occur in less

than 1% of live births in the United States. What is the condition? a. Down syndrome b. phenylketonuria (PKU) c. environmentally caused intellectual disability d. fetal alcohol syndrome

Psychology

Which theorist developed gestalt therapy?

a. Albert Ellis b. Aaron Beck c. Carl Rogers d. Fritz Perls

Psychology

In psychological dimensions of caring for a dying person, the first priority would be to

a. listen and respond to the dying person's anxieties b. provide for the dying person's basic bathing needs c. help the dying person to select fun activities for the day d. encourage the dying person to eat and drink e. perform activities of daily living

Psychology