"An apple a day keeps the doctor away". If you wanted to investigate this claim, identify the independent and dependent variables of the study
What will be an ideal response?
ANS:
Eating an apple daily is the independent variable; good health (keeping the doctor away) is the dependent variable.
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Which of the following best describes the relationship between socioeconomic status and IQ?
a. Children from higher SES families tend to have the same IQs as children from lower SES families. b. Children from higher SES families tend to have higher IQs than children from lower SES families. c. Low socioeconomic status is one environmental factor that causes low IQ. d. Children from lower SES families have lower IQ scores but improve their IQ once they enter school.
It is appropriate to use "dummy variables" in multiple regression when
a. there may be a nonlinear relationship between the independent variables and the dependent variable. b. all independent variables are interval or ratio. c. some of the independent variables are categorical. d. there may be nonnormality in the independent variables.
All statements regarding alphabetic writing systems are accurate EXCEPT for which one?
A. Shallow orthography means the relationship between phonemes and letters is highly consistent. B. Deep orthography means the same letter, or group of letters, may represent several different phonemes. C. The English language uses an alphabetic writing system. D. Symbols represent morphemes and syllables.
Ines realizes that she gets hungry each day at 2 p.m. when she turns on her favorite soap opera. Turning on the soap opera would be considered to be what?
A. The routine B. The reward C. The cue D. The habit