In a single-subject experimental design, if there is low variability from one observation to the next within a phase, the data are ____
a. stable
b. unstable
c. statistically significant
d. visually significant
a
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One in five older hip fracture patients __________.
A) fully recover mobility B) die within a year of the injury C) never regain the ability to walk unassisted D) avoid activities because they are afraid to fall
In an experiment, researchers exposed half of the participants to loud noise during a memory-encoding task. The room was quiet for the other half of the participants. Later, all participants were given a memory test and the number of correct items recalled was obtained for each participant. What is the dependent variable?
A) the number of items recalled B) the noise level during the encoding task C) the time interval between encoding and recall D) the probability of being assigned to the two groups
Vocabulary expands to 4 times its size from the age of 6 to approximately the end of the elementary school years.
Answer the following statement true (T) or false (F)
Keri's boyfriend broke up with her about a year ago. Her mother has been concerned for a few months now—Keri reports that she doesn't have an appetite, she sleeps about 12 hours a night, and she has dropped out of all of the after school activities
she used to be involved in. Keri most likely would be diagnosed with A) a substance abuse problem. B) clinical depression. C) an anxiety disorder. D) bulimia nervosa.