Social Studies, 17.09.2019 02:30 abbz13
Results from a research study suggest that a stop-smoking program is very successful. however, the participants who volunteered for the study were all highly motivated to quit smoking and the researcher is concerned that the same results may not be obtained for smokers who are not as motivated. this study has a problem with
a. internal validity.
b. external validity.
c. experimental validity.
d. validity of measurement.
Answers: 3
Social Studies, 22.06.2019 13:30
The biggest component / ingredient of summer time smog is
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Social Studies, 22.06.2019 13:30
4) what articles do you think a soldier would have in his “old kit bag”?
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