Examlex
Describe the typical behavior of a 6-year-old child on a test of the conservation concept. Discuss two benefits and two limitations of Piaget's theory for explaining this result.
Two-tail Test
A statistical test that considers both the directions of a possible effect, testing for the possibility of positive or negative deviations from the null hypothesis.
Sample Variances
A measure of the dispersion or variability within a sample data set, which indicates how much the sample elements differ from the sample mean.
Test Statistic
A standardized value that is calculated from sample data during a hypothesis test. It's used to determine whether to reject the null hypothesis.
Two-tail Test
A statistical test where the critical area of a distribution is two-sided and tests whether a sample is greater than or less than a certain range of values.
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