In order to calculate a Pearson correlation coefficient, the data must be at least _____ in scaling
a. nominal c. interval
b. ordinal d. ratio
C
Only interval or ratio data may be used to calculate the Pearson r.
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Martha wins three games of backgammon in a row, even though she has never played before. If Martha assumes she has "beginner's luck," she is making an ____ attribution about her success; if she decides backgammon is an easy game, she is making an ____ attribution about her success
a. internal-stable; internal-unstable b. internal-unstable; external-unstable c. external-unstable; internal-stable d. external-unstable; external-stable
In a psychology class of 100 students, test scores are normally distributed with a mean of 80 and a standard deviation of 5 . Approximately what percentage of students have scores between 65 and 95?
a. 68% b. 80% c. 95% d. 99%
The sole purpose of Solomon Asch's study in the early 1950s was to examine the effects of social facilitation
Indicate whether the statement is true or false
In the late 1800s, the field of psychology broke off from the field of _____
a. biology c. medicine b. philosophy d. psychiatry