You plan to conduct a study where your nondirectional hypothesis will be assessed with a t test for independent means at the .05 significance level
If you are predicting a large effect size, how many participants would you need in total (assuming equal Ns per group) to obtain 80% power?
A) 20
B) 26
C) 40
D) 52
D
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Changes that occur in the may help explain why many somatic complaints tend to be on the left side of the body
a. thalamus b. midbrain c. left hemisphere d. right hemisphere
The brief return of an operant response after its apparent extinction is known as
a. shaping. b. stimulus generalization. c. a spontaneous recovery. d. satiation.
Research studies using image-scanning show that ____.?
a. ?images of visual stimuli are stored in two dimensions rather than three b. ?visual images in our minds have many of the spatial properties of the real stimulus c. ?we lack the ability to store in memory mimics of the actual visual images in our minds d. ?we scan visual images that are actually more distant faster in our minds
Which of the following changes occurs in children's autobiographical memories with age?
A) Older children begin to use more generic, nondescript reports. B) With age, preschoolers increasingly include subjective information. C) Older children are able to remain objective when recounting the details of an event. D) Younger children are more likely to explain an event's personal significance.