The phi-coefficient is the correct correlation to use when both X and Y are dichotomous variables
Indicate whether the statement is true or false
T
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Most people are reluctant to end or leave a relationship with another person ____
a. only when there is a clear purpose to the relationship b. only when they have disclosed to the other person c. only when there is a clear purpose to the relationship AND they have disclosed to the other person d. regardless of whether there is a clear purpose to the relationship and regardless of whether they have disclosed to the other person
Two interval/ratio variables are to _____ coefficient as one interval/ratio variable and one nominal variable are to _____ coefficient
a. Pearson product-moment correlation; Spearman rank-order correlation b. Spearman rank-order correlation; Pearson product-moment correlation c. Phi; Spearman rank-order correlation d. Pearson product-moment correlation; point-biserial correlation
Children who are beginning to produce two-word utterances tend not to include
a. nouns. c. conjunctions. b. verbs. d. adjectives.
Nicholas plays guitar and Anthony plays bass for their rock band. The guitar produces higher frequencies than the bass does. When they turn up their amplifiers to 80 dB, how will the instruments sound to their neighbors?
A. Nicholas's guitar will sound louder than Anthony's bass. B. Anthony's bass will sound louder than Anthony's guitar. C. Both instruments will sound equally loud. D. The apparent loudness of the two instruments will vary from time to time depending on the frequencies of the notes being played.