Which of the following statements are correct concerning algebra? (Mark all that apply.)
a. Studying patterns leads to generalizations and the development of logical arguments.
b. Algebra is a difficult form of mathematics and should be reserved for superior students.
c. Children can be encouraged to analyze, extend, recognize and generate patterns.
d. Children should be exposed to algebraic thinking as early as kindergarten.
a, c, d
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A correlation coefficient indicates:
a. only quantitative information about a relationship between variables b. only qualitative information about a relationship between variables c. the relationship between the independent and dependent variables d. the strength and direction of the relationship between variables
Children who score low on intelligence tests that purport to measure levels of cognition frequently show delays in other areas of development as well
Indicate whether the statement is true or false
Three of the following are techniques for strengthening the external validity of a study. Which one is NOT?
a. Conduct the study in a real-life setting. b. Assure that you have a representative sample. c. Replicate the study under a variety of relevant conditions. d. Allow flexibility in procedures and instruments.
School districts may require health and physical examinations for specific conditions and jobs, but may not require a psychiatric evaluation without the employee's consent
Indicate whether this statement is true or false.