The woodworking center is considered too dangerous for preschool children
Indicate whether the statement is true or false
F
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Choose the correlation coefficient that matches the following types of scales. Both variables are on an interval or ratio scale
a. Pearson's r c. phi coefficient b. Spearman rho
A researcher wanted to know if sex and age affected how susceptible customers were to distraction when watching charity-based advertisements. She measured men and women aged 18–25, 26–30 and over 30 in two task conditions, one where they viewed an advertisement with no distraction and one where they experienced constant interruption from alternative sounds in the same room. How many factors were there in this study?
A. 2 B. 3 C. 4 D. 5
Most children begin to understand their first words at about twelve months
Indicate whether the statement is true or false.
The consistency of a set of test scores over time is known as:
a. Equivalent forms reliability b. Split-half reliability c. Test-retest reliability d. Interscorer reliability