Which statistic should be used to analyze differences between groups in a repeated measures design quizlet?
A one-way ANOVA for repeated measures can be used to analyze the data for multilevel matched group designs and multilevel repeated-measures designs.
How do researchers account for individual differences in an experiment methodologically?
How do researchers account for individual differences in an experiment, methodologically? By using random assignment to make individual differences about the same in each group. Randomly assign participants to different levels of the dependent variable. A researcher creates two groups.
What is the goal for an experimental research study?
The purpose of the experimental research strategy is to establish the existence of a cause- and- effect relationship between two variables. To accomplish this goal, an experiment manipulates one variable while a second variable is measured and other variables are controlled.
What is the goal for an experimental research study identify the two elements that are necessary for an experiment to achieve its goal?
Identify the two elements that are necessary for an experiment to achieve its goal. The goal for an experimental research study is to demonstrate a cause- and-effect relationship between two variables. An experiment attempts to show that changing the value of one variable causes changes to occur in the second variable.
What is the basic technique of the experimental method?
The experimental method involves manipulating one variable to determine if changes in one variable cause changes in another variable. This method relies on controlled methods, random assignment and the manipulation of variables to test a hypothesis.
What is the main advantage associated with the experimental method?
What is the major advantage of the experimental method? It permits conclusions about cause-and-effect relationships between variables. Experiments are often artificial and doubts arise about the applicability of the findings.
What is the main purpose of random assignment in an experiment?
Random assignment helps ensure that members of each group in the experiment are the same, which means that the groups are also likely more representative of what is present in the larger population.