none one Correct two three Question 5 10 10 pts In a causal comparative study

None one correct two three question 5 10 10 pts in a

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none one Correct!two three Question 5 10 / 10 pts In a causal-comparative study, what is the difference between independent variables anddependent variables?Correct!
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independent variables cause the effect measured in the dependent variables dependent variables cause the effect measured in the independent variables dependent variables are those that affect each other; independent variables do not independent variables exist before the study; dependent variables do not Question 6 10 / 10 pts What are continuous variables? traits being studied that persist over time traits being studied that are identified by name variables not introduced experimentally Correct!traits that can be described by numbers
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Question 7 10 / 10 pts A teacher showed an educational film on nutrition to one group of students, gave a handouton the same material to another group, and then tested each group on their knowledge of thematerial. The purpose was to determine which method of instruction was more effective. In thisexperiment, what is the dependent variable?Correct!the test results the film and the handout the film the handout Question 8 10 / 10 pts
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What does physically manipulate mean in an experimental context?an intervention or treatment in which subjects are touched Correct!any tangible, real-world intervention or treatment when subjects complete a task as part of an experiment when subjects are not told the purpose of an experiment Question 9 10 / 10 pts Which of the following definitions of administering nonverbal praise (in an experiment) is more operational?communicating approval without speaking using gestures such as a smile or thumbs up but not speaking Correct!smiling with lips closed while nodding the head three times
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using facial expression to indicate approval without speaking Question 10 10 / 10 pts What is an operational definition? description of a concept under study Correct!precise steps for identifying a variable a definition found in published studies the steps for conducting the experiment
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