"My son just finished 3rd in the local marathon.". The scale of measurement involved in this statement is
a. nominal. c. interval.
b. ordinal. d. ratio.
B
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Major depressive disorder in children is more likely to occur after the onset of all other psychiatric disorders, except for ____
a. bipolar disorder b. separation anxiety disorder c. ADHD d. substance abuse
Drinking large quantities of water would be an example of an attempt to alter the results of a drug test by _________
a. dilution b. adulteration c. substitution d. none of these
When the results of a scientific observation are representative of real life, the results have internal validity
Indicate whether the statement is true or false
In an experiment, people rated how funny they thought cartoons were while holding a pen crosswise in their mouths. Those who held the pen in their teeth thought the cartoons were funnier than did people who held the pen in their lips. These results are best explained by the
a. experimenter effect due to a self-fulfilling prophecy that was created by the cartoon. b. placebo effect. c. attribution theory. d. pen between the teeth causing the subjects to smile and the pen between the lips causing them to frown.