11)Reliability is usually quantified by using A)test-retest coefficients. B)correlation coefficients. C)standard deviations. D)reliability deviations. 12)Internal consistency reliability is high when A)each of the items or observations correlate with each other. B)each of the items or observations do not correlate with each other. C)measurements at different times correlate with each other. D)measurements at different times do not correlate with each other. 13)Internal consistency reliability will generally be higher when A)fewer observations make up an individual score. B)more observations make up an individual score. C)one observation makes up an individual score. D)one observation makes up several scores. 14)A researcher wants to develop a measure of test anxiety with high internal consistency reliability. It would be best for her to have the measure consist of A)one item. B)ten items. C)twenty items. D)Item number is not important to internal consistency reliability. 15)Which of the following would be expected to have the highest internal consistency reliability? A)A 100-item comprehensive final. B)A 100-item test covering several chapters. C)A 100-item quiz covering one topic. D)An essay test comprised of two essays. 16)In a study of the credibility of eyewitness testimony, at least two independent raters view video tapes and make ratings. What is the purpose of comparing these ratings? A)To increase the internal validity. B)To aid in making operational definitions. C)To establish test-retest reliability. D)To establish interrater reliability. 17)In the development of a new measure of job satisfaction, the researchers give the measures twice to the same participants at 6-month intervals in order to establish A)test-retest reliability. B)interrater reliability. C)a correlation coefficient. D)social desirability. 18)The effective range of a measure helps in determining a measure’s A)length. B)cost. C)test-retest reliability. D)appropriateness for a particular group of participants. 19)All of the following are types of reliability EXCEPT A)test-retest. B)inter-rater. C)convergent. D)internal consistency. 20)Which of the following would NOT seriously affect research results? A)Scale attenuation effects. B)Effective range of a scale. C)Reliability. D)The number of raters used. Â