A academic perspective is interested in the core group of skills that are taught to children within what age period?
A. birth to 2 years
B. preschool age
C. early primary years
D. kindergarten only
C. early primary years
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Which of the following is true of play in the early childhood classroom?
a. Children should be given limited time for unstructured play b. Children should be encouraged to engage in play that is highly teacher-directed c. Children should be given ample time to engage in play that is unstructured, child-initiated, and spontaneous d. Children should be encouraged to engage in play that is child-directed but highly structured
Which of the following is NOT a member of a vulnerable population?
a. children b. pregnant women c. prisoners d. civil service workers
Which of the following statements about the t-statistic in regression is not true?
A. The t-statistic tests whether the regression coefficient, b, is equal to 0. B. The t-statistic provides some idea of how well a predictor predicts the outcome variable. C. The t-statistic can be used to see whether a predictor variable makes a statistically significant contribution to the regression model. D. The t-statistic is equal to the regression coefficient divided by its standard deviation.
Answer the following statement(s) true (T) or false (F)
Observational studies do not usually require IRB approval. True or False?