Which measure lacks both reliability and validity?
A) scholastic aptitude as measured by age
B) happiness as measured by heart beats per minute
C) intelligence as measured in terms of birth order
D) class performance as measured by randomly picking a grade out of a hat
D) class performance as measured by randomly picking a grade out of a hat
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The origins of testing can be traced to a. Egypt
b. England. c. China. d. Russia.
Few developmentalists today believe that the changes of middle age produce a midlife crisis
Indicate whether this statement is true or false.
Ethnicity, gender, and age are all examples of _____ variables
a. nonmanipulated b. subject c. manipulated d. both nonmanipulated and subject
Research that considers data such as sketchings of maps is referred to as __________
research. Fill in the blanks with correct word