In a test that has been developed using item-response theory (IRT),
a. the items are ordered by their difficulty relative to each other.
b. a student's responses to each subset of items can be used to determine whether the test is reliable for that student.
c. the amount of time that it takes the student to respond to each item is measured and used as a
component of the student's total score.
d. it is possible for the test to have high validity or high reliability, but not both.
a
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It is believed that babies are able to hear maternal speech sounds before birth
a. True b. False Indicate whether the statement is true or false
It is a good idea to take some form of notes from everything you read.
Answer the following statement true (T) or false (F)
Fourteen-year-old Kerrie has several close friends with whom she spends a great deal of time. Three of the following accurately describe the effects that such close friendships are apt to have on her development. Which statement is not accurate?
a. They can help her make sense of confusing situations. b. They may provide a shoulder to cry on if she's upset or frustrated. c. She may have greater-than-average difficulty forming a sense of identity. d. They can give her feedback about certain behaviors that are socially unacceptable.
A Type I error is when:
A. We conclude that there is a meaningful effect in the population when in fact there is not. B. We conclude that there is not a meaningful effect in the population when in fact there is. C. We conclude that the test statistic is significant when in fact it is not. D. The data we have typed into SPSS are different than the data collected.