Exam 1: Introduction to Personality Theory

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One major division among theories, sometimes called the "two disciplines" or "two cultures" of psychology, is between

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Which statement best describes personality research methods?

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Explain the difference between correlational research and experimental research. One of these methods can determine causality and one cannot. Explain which can determine causality, which one cannot and why.

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Correlational research and experimental research are two different methods used in scientific studies to understand the relationship between variables.

Correlational research involves examining the relationship between two or more variables without any manipulation of those variables. This method can help researchers identify patterns and associations between variables, but it cannot determine causality. In other words, correlational research can show that two variables are related, but it cannot prove that one variable causes changes in the other.

On the other hand, experimental research involves manipulating one or more variables to observe the effect on another variable. This method can determine causality because the researcher can control and manipulate the variables to see if changes in one variable directly cause changes in another. By randomly assigning participants to different conditions and controlling for extraneous variables, experimental research can establish a cause-and-effect relationship between variables.

In summary, experimental research can determine causality because it involves manipulating variables to observe their effects, while correlational research cannot determine causality because it only shows relationships between variables without manipulation.

Construct validity is present when

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Personality dynamics includes which of the following?

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Theories that apply to only a narrow range of behavior are not

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Hippocrates, in ancient Greece, described sanguine, melancholic, choleric, and phlegmatic __________ of personality.

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A personality test which yields consistent scores on two occasions is said to be valid.

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To determine test-retest reliability, it is necessary to have two different forms of a test.

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Writers and philosophers tell us about human nature. Why do we also need psychology?

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The dependent variable corresponds to what a researcher thinks is the

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A __________ is a conceptual tool for understanding certain specified phenomena.

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Which of the following is not listed by the text as a criterion of a good theory?

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If a test of academic ability given to high school students is correlated with grades during the freshman year at college, the test has

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Operational definitions describe the practical applications of personality theory to improving the human condition.

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In comparison to factors, traits refer to more __________ characteristics.

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Personality psychologists, unlike clinical psychologists, are not concerned with adaptation and adjustment.

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The idiographic approach studies one person at a time.

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Experimental research is the primary method for studying personality.

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A hypothesis is tested by

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