Examlex
The first of Piaget's stages of moral development in which a child believes that rules are inflexible is called __________ .
Degrees of Freedom
A measure indicating the extent to which variables in a statistical model are allowed to vary, impacting the accuracy of conclusions.
Two Tailed 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.
Test-statistic
A value calculated from sample data during a hypothesis test used to determine the validity of the hypothesis.
Sample Size
The number of observations or elements selected from a population to participate in a statistical study.
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