The person who increased his memory span to 70 digits following a year of practice
a. used his knowledge of running times to chunk digits.
b. did not show evidence of hierarchical organization.
c. could generalize from recalling digits to recalling letters.
d. All these
A
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The average verbal SAT score for the entire class of entering freshmen is 530 . However, if you select a sample of 20 freshmen and compute their average verbal SAT score you probably will not get exactly 530 . What statistical concept is used to explain the natural difference that exists between a sample mean and the corresponding population mean?
a. Statistical error c. Sampling error b. Inferential error d. Parametric error
Which phrase best describes how the action potential occurs?
a. ??“all or none” b. ?“slow but sure” c. ?“speed equals intensity” d. ?“all for one, and one for all”
A cognitive scaffold is meant to be permanent
Indicate whether the statement is true or false
How much of the variance in personality traits is likely due to genetics?
a. 50% b. 70% c. 90% d. 95%