Summary 1
1.whta information in the article summary indicates that the major scientific goal of this study was understanding how children perceive acoustic information in their environment.
2. a )what are the independent variable and the dependent variable in this study.
b) identify the specific levels of the independent variable.
3.were the levels of the independent variable manipulated or were they selected.Explain.
Summary 2
1.whta information in the article summary would suggest that a major scientific goal of this study was description of events and their relationships.
2.what is the operational definition of giftedness in this study.
3.what evidence might be gathered to support the validity of a perfect score on the ACT subtest in mathematics as a measure of giftedness in mathematics.
4.what evidence would be required to demonstrate the reliability of the ACT test scores as a measure of giftedness.
Summary 3
1.Have the major scientific goals of description, prediction, and understanding been met in this study.
2.a)what are the independent variable and the dependent variable in this study.
b) Identify the specific levels of the independent variable in this study.
3.were the levels of the independent variable manipulated or selected. Explain.
4.Evidence supporting a causal inference is obtained by establishing covariation of cause and effect, a time-order relationship with cause preceding effect, and the elimination of plausible alternative causes. In this study,(a) what specific evidence is provided regarding a causal relationship.(b) what evidence is not provided.
Summary 4
1.what information in the article summary suggests that the major scientific goal of this study was prediction .
2. Given the positive correlation between authoritarianism and prejudice, what kind of prejudice score would you predict for a person with a low authoritarianism score.
3.Assume that two researchers each investigated independently the relationship between measures of self-righteousness and prejudice toward people with AIDS. these measures while the other obtained a negative correlation. What must we know about the measurement of these variables before we conclude that the results of these researchers should be interpreted differently.