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Q 1/8
Score 0
Ms. Lopez wants to know to what extent her students have anxiety about the upcoming school music concert. She plans to poll his students and ask them three simple questions about their levels of anxiety regarding performing in the music concert. She places the three questions on a small sheet of paper and makes 15 copies. She stands near the basketball court on the school playground. Any child who walks near Ms. Lopez is asked to complete her three-item survey. Ms. Lopez is employing which type of sampling procedure?
30
Convenience sampling
Random sampling
Cluster sampling
Stratified sampling
Q 2/8
Score 0
In the NICHD Early Child Care Research Network study, researchers examined the impact of parenting on children’s cognitive abilities, while taking into account the family income, mother’s intelligence, and other variables. In this study, the researchers followed the same group of 700 children from age 6 months to first grade. This study relied upon a _________________ research design.
30
case study
experimental
cross-sectional
longitudinal
8 questions
Q.
Ms. Lopez wants to know to what extent her students have anxiety about the upcoming school music concert. She plans to poll his students and ask them three simple questions about their levels of anxiety regarding performing in the music concert. She places the three questions on a small sheet of paper and makes 15 copies. She stands near the basketball court on the school playground. Any child who walks near Ms. Lopez is asked to complete her three-item survey. Ms. Lopez is employing which type of sampling procedure?
1
30 sec
Q.
In the NICHD Early Child Care Research Network study, researchers examined the impact of parenting on children’s cognitive abilities, while taking into account the family income, mother’s intelligence, and other variables. In this study, the researchers followed the same group of 700 children from age 6 months to first grade. This study relied upon a _________________ research design.
2
30 sec
Q.
During a qualitative study, a researcher interviewed a cross-section of children from single-parent households about parent-child relationships based on varied parenting styles. During the interviews, the researcher saw bruises on one of the six-year-olds and learned (during the interview with the child) that he was being abused at home. What should the researcher do?
3
45 sec
Q.
A researcher conducts a study exploring the question, “To what extent does the ability of a child to count to twenty before going to kindergarten predict school achievement after the first grade?” The researcher wants to apply scientific theory to study practical problems. This study is an example of what type of research?
4
60 sec
Q.
Test ___________ refers to the accuracy of a test in measuring what it is intended to measure.
5
30 sec
Q.
Percy, a researcher, administered his test to his target population on two consecutive days in order to make sure he got the same results each time he used the test. What was Percy proving about the test?
6
30 sec
Q.
We can have confidence in the results of studies published in journals because:
7
45 sec
Q.
Media is a common source of information about research findings, though it is not the best source. Most of the errors in media coverage of research are errors of:
