What is cross-validation?
A. It is the assessment of a model’s level of errors across different samples, which is useful as it allows us to assess how many errors there might be in a model using different samples.
B. It is the comparison of your findings with the work of others, using the same data.
C. It is the use of theoretical literature to build your valid data model.
D. It is the assessment of a model’s accuracy across different samples, which is useful as it allows us to assess how well our model might predict the outcome in different samples.
Answer: D
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Which is proposed by the positivist method?
A. Growth of knowledge is critical. B. Knowledge exists in nature. C. Eliminate false theories by conjecture and refutation. D. Observations lead to generalizations by induction.
Children are already learning actively at birth
Indicate whether this statement is true or false.
Instructional unit formatting will probably not include
A. unit title. B. strategies. C. standardized test procedures. D. needed resources.
Most children have mastered the sounds of English by
a. age 4 b. age 8 c. age 5 d. age 10