Kremsa has just finished completing a class project in which she investigated the
relationship between hours spent studying for an examination and performance on the
exam.
She simply asked students how many hours they studied for their last psychology
exam and what scores they earned. She calculated a correlation coefficient and found
that the fewer hours students studied for their exams, the lower their scores were. Which
of the correlation coefficients below best represents Kremsa's findings?
a. -.7
b. -.3
c. +1.2
d. +.5
e. 0
d. +.5
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One factor that is especially likely to produce depression relapse is __________.
A. family members ignoring the depressed behavior expressed by the depressed individual B. excessive attention from family members C. family members discussing the depressed individual's negative thoughts and feelings with him or her D. behavior by a spouse that can be interpreted as criticism
Which of the following statements is most accurate regarding parental input regarding a possible diagnosis of ASD?
a. Parents' memories are usually unreliable regarding their child's early development. b. Parents usually overestimate their child's abilities and therefore should be not considered as more important than a clinical assessment. c. Parents usually underestimate their child's abilities and therefore should be dismissed. d. Parents' perceptions of their child's difficulties are often accurate and should be addressed in a timely manner.
The Pearson correlation coefficient is used for data that are measured on a ______ scale of measurement.
A. nominal B. interval C. ratio D. interval and ratio
Michael eats when he's hungry and stops eating when he's full. His body weight remains stable and is regulated by his
appetite. set point. BMI. early childhood eating experiences.