Which one of the following statements is TRUE about error?
a. Systematic error increases the reliability of a test.
b. Systematic error lowers the reliability of a test.
c. Random error lowers the reliability of a test.
d. Both random and systematic error lower the reliability of a test.
c. Random error lowers the reliability of a test.
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For a population with a mean of ? = 40, a score of X = 37 corresponds to z = –0.50 . The standard deviation for the population is ? = 3
Indicate whether the statement is true or false
A benefit of condom use is that they help to prevent not only pregnancies but also
A) many sexually transmitted diseases. B) eating disorders. C) depression. D) substance abuse.
To create autobiographical memories that persist for a lifetime, children must
A) have a well-developed language system and a repertoire of memory strategies. B) have a clear self-image and learn to structure significant memories in narrative form. C) be attentive to routines and embed novel events into their long-term memory of those routines. D) possess metacognitive awareness and an elaborative style of talking about experiences.
Daryl's father works at a company with family-friendly policies. He is able to chaperone all of Daryl's field trips at school because he can rearrange his work schedule. Which system in Bronfenbrenner's bioecological theory does this example illustrate?
A. microsystem B. mesosystem C. exosystem D. macrosystem