A researcher runs Pearson r correlations among three variables, Grade-
Point Average, IQ and Reading Speed. All correlations are significant.
GPA and IQ = .80
GPA and Reading Speed = .85
IQ and Reading Speed = .
60
Find the multiple R for predicting Grade-Point average from IQ and Reading
Speed.
What will be an ideal response?
R = .925
You might also like to view...
For every three men diagnosed with schizophrenia, only two women are. Which of the following reasons might explain this?
A. Males are more likely to hallucinate than females, so they may be over-diagnosed. B. Men are more likely to seek treatment. C. Females with schizophrenia have less severe symptoms, so they may be misdiagnosed. D. Women respond better to treatment than men.
High school seniors Meera and Karen are talking about memories. Meera says that she can remember a song she learned when she was a year old. Karen disagrees and says that's not likely. Why?
A. We do not verbally encode before the age of 3 1/2. B. Memory does not start operating until the age of 3 1/2. C. A one-year-old's attention span is so poor that a child that young cannot encode anything. D. Long-term memory does not exist in children that young.
Which of the following statements are true regarding female orgasms?
a) Unlike male orgasms, there are no muscle contractions during female orgasms. b) Female orgasms are briefer and weaker than male orgasms. c) Female orgasms are longer-lasting than male orgasms and can be multiple. d) Female orgasms are rare, only 5% of women experience them.
What is synaptic pruning and is it normal?
What will be an ideal response?