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Author Question: What can be said of a study in which there is a confounded factor? a. The study lacks internal ... (Read 88 times)

jazziefee

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on: Jun 19, 2018
What can be said of a study in which there is a confounded factor?
 
  a. The study lacks internal validity. c. both a and b
  b. The study lacks external validity d. none of these

Question 2

When the controls of an experiment are lax and the experimenter's conclusion that the independent variable had an effect is not justified, the study lacks _____.
 
  a. causal certainty c. a null hypothesis
  b. internal validity d. external validity


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AmberC1996

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Reply #1 on: Jun 19, 2018
Answer to Question 1

C
If there is a confound in an experiment, internal validity is compromised. Without internal validity, there can be no external validity.

Answer to Question 2

B
Internal validity depends on sufficient control of all factors in an experiment.


jazziefee

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Reply 2 on: Jun 19, 2018
Wow, this really help

cassie_ragen

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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