DrMarx Says That a Study He Is Reviewing Has Good

question 104

Multiple Choice

Dr.Marx says that a study he is reviewing has good internal validity.This means that Dr.Marx believes:

• A) the results of the study can be explained by the independent variable
• B) the results of the study can be explained by the dependent variable
• C) the sampling procedure is supported by the study
• D) the hypothesis is supported by the study

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Definitions:

Rheostat

A variable resistor.

Tolerance

The allowable variation in a component’s specified value, such as resistance or capacitance, indicating the accuracy of its manufacture.

Color Bands

Colored stripes on components such as resistors that represent numbers according to a standardized code, used to indicate their value, tolerance, and sometimes temperature coefficient.

Ohmic Value

The resistance value of a component or material, typically measured in Ohms (Ω), indicating how much it resists the flow of electric current.