The T-Test Can Be Characterized as a Regression (Linear) Model

question 2

Multiple Choice

The t-test can be characterized as a regression (linear) model if?

• A) The outcome variable is categorical.
• B) The groups have equal sample sizes.
• C) The experimental groups are represented by a binary variable .
• D) A t-test is always different from regression

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Definitions:

Volunteer Bias

The distortion of research results due to differences between those who choose to participate in studies and those who do not.

Representative Sample

A portion of the population that correctly mirrors the characteristics of the whole population.

Operationally Defined

A term or variable is defined by the specific process or set of criteria by which it is measured or determined in a study or experiment.

Participant Observation

A research method where the investigator actively engages in the community or situation being studied while observing its dynamics.