When Weld Symbols Are Placed on Both Sides of the Reference

question 14

True/False

When weld symbols are placed on both sides of the reference line, the welds can be made on either side of the joint.

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Definitions:

Experimenter Bias

In experimental design, the problem of some kind of bias in an experimental group because of the way the researcher, knowingly or unknowingly, has selected its members.

Internal Validity

The degree to which the results of a study can be attributed to the experimental treatments or interventions rather than other factors.

Spurious Relationship

An apparent relationship between two variables that is actually caused by a third variable.

Variables

Elements, features, or factors that are likely to vary or change within the context of a scientific study or experiment.