Any factor that is associated with the independent variable

Reference no: EM131000266

1.Any factor that is associated with the independent variable and that is not purposely introduced by the researcher is considered a ____ error

subject

random

testing

confounding

An experimental finding that is easily demonstrated in the laboratory but not in the real world suffers from a problem with ____ validity.

internal

external

construct

statistical

External validity refers to the extent to which

research results can be generalized to other situations

the experimenter unintentionally communicates his or her expectations to the participants

historical events occurred that accompanied one or more of the experimental treatments

the observed relationship is a true cause-effect relationship

If a researcher asks, "Can we be sure that the observed relationship between the independent and dependent variables represents a true cause-effect relationship?" then the researcher is concerned about ____ validity

internal

construct

external

statistical

Reference no: EM131000266

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