Which of the following is a key characteristic of field experiments A

Which of the following is a key characteristic of

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59. Which of the following is a key characteristic of field experiments?A. Researchers investigate extraneous variables in an artificial setting.B. Independent variables fail to influence the outcome of an experiment.C. Researchers are permitted to keep extraneous variables constant.D. Independent variables are manipulated in a natural setting.60. A researcher interested in establishing that there is a causal relationship between variables is most interested in ________ validity.61. Behavioral scientists use the term ________ to refer to the extent to which, given everything that is known, a conclusion isreasonably accurate—that is, the extent to which it approaches what we would call truth.62. _____ refers to the consistency or stability of a measure of behavior.63. Mike takes his temperature with a thermometer three times over a 20 minute period and observes the following measurements: 98, 106, and 89 degrees. In this context, Mike concludes that the _____ of the thermometer is _____.A. validity; highB. variability; lowC. reliability; lowD. reactivity; high64. A researcher conducts an experiment to establish a relationship between a chess player's mental stability and his performance in a game. He finds that the two have a Pearson product-moment correlation coefficient value of +1.00. This means the two variables—mental stability and performance—have a _____ relationship.
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65. If a measure is reliable, then a researcher must find a66. Split-half reliability is an indicator of67. _____ is an indicator of reliability based on internal consistency that provides a researcher with the average of all possible split-half reliability coefficients.A. Cohen's kappaB. Item-total correlationC. Cronbach's alphaD. Henderson's score68. Cohen's kappa is a commonly used indicator of
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