What is the test statistic?
A restaurant wants to know if more people prefer ranch dressing or honey mustard dressing with their salads. After keeping track of customers’ preference for 3 months, the restaurant learned that a total of 500 people ordered salad, and 300 asked for ranch dressing and 200 asked for honey mustard dressing. Conduct the appropriate statistical test to see if there is a difference between the frequencies of customers ordering the two types of salad dressing. Assume that the expected frequencies are equal, and use an alpha of .05.
Ans: 20
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Which of the following best illustrates the universal design principle of conspicuous strategies?
a. telling students which teaching method you are using in a lesson b. listing the steps to follow to solve this type of math problem c. asking students to show their work when solving math problems d. none of the above
Which of following is not an instrument used in assessing personality and behavior in children?
a. Behavior rating scales b. Self-report measures c. Projective techniques d. Physical scales
Hanna is conducting a problem-solving study that relates learners' motivation to number of challenging problems attempted. She defines motivation as self-efficacy. She uses a self-report instrument to measure self-efficacy. Hanna has operationalized which of the following variables?
a. Self-efficacy b. Motivation c. Problem-solving d. Challenging problems
Define external criticism in historical research
What will be an ideal response?