If there is a consistent relationship between two variables such that Y tends to decrease each time X decreases, but not a linear relationship, then which correlation is designed to measure the consistency of the relationship?
a. a partial correlation
b. a Spearman correlation
c. a point-biserial correlation
d. a phi-coefficient
b
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The essential features of the “scallop” that distinguishes FI schedules of reinforcement are
a. a low, steady rate of responding and a long pause following reinforcement. b. a high, steady rate of responding and a long pause following reinforcement. c. a low rate of responding following reinforcement and a gradual transition to a high rate of responding prior to delivery of the next reinforcer. d. a high rate of responding following reinforcement and a gradual transition to a low rate of responding prior to delivery of the next reinforcer.
One reason that the visuospatial sketchpad is more challenging to study than the phonological loop is that
a. it's difficult to find ecologically valid situations in which the visuospatial sketchpad is relevant. b. participants are more likely to guess the correct answer, compared to studies that focus on the phonological loop. c. participants may spontaneously provide a verbal label for a shape, so the task may actually use the phonological loop. d. visual information must be presented more slowly than phonological information.
A question asking why people need birth certificates would fall under which subscale area of the WAIS?
A) Comprehension B) Information C) Vocabulary D) Evaluation
What are the two general approaches to mapping the brain?
What will be an ideal response?3