If two variables have no correlation with one another, this means that
a. you can only predict one of the two variables.
b. when one is higher, the other is lower.
c. they are probably very similar.
d. you cannot predict one from the other.
Answer: D
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Which of the following statements is not true regarding the use of a parent informant when
conducting a language assessment? A) Parents have the opportunity to observe the child at their top linguistic potential. B) Parent reports of the linguistic competence of their own children often do not correlate with the child's actual performance. C) The parent is often interviewed first when a child is suspected of having a language problem. D) The use of parent informants in language assessment is a controversial subject amongst linguistic experts.