If the Homogeneity of Variance Assumption Is Violated in an Experiment

question 89

Multiple Choice

If the homogeneity of variance assumption is violated in an experiment using the t test for independent groups, this means _________.

• A) the populations from which the samples were drawn have different variances
• B) the power of the t test will be reduced
• C) t the test can still be used, if the violation is a moderate one
• D) the t test should not be used
• E) the populations from which the samples were drawn have different variances and t the test can still be used, if the violation is a moderate one

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Definitions:

Moral Development

The method by which people cultivate appropriate attitudes and actions towards others in a community, in accordance with social and cultural standards, regulations, and legislation.

Prosocial Behavior

Behavior that is intended to benefit others, including acts of kindness, generosity, and cooperation.

Preconventional Level

In Lawrence Kohlberg's theory of moral development, the earliest stage where moral reasoning is based on personal consequences and external rewards or punishments.

Moral Development

This refers to the way individuals acquire suitable behaviors and mindsets towards fellow community members, guided by the norms, rules, and laws of society and culture.