A decline in performance due to repeated testing is to an improvement in performance due to repeated testing as a ____ effect is to a _____ effect.
a. instrumentation; mortality
b. mortality; instrumentation
c. practice; fatigue
d. fatigue; practice
Question 2
John conducted an experiment to test the effectiveness of a smoking cessation program. The experiment took place over a one-month time period. Subjects in the control group and the experimental group (those who participated in the smoking cessation program) recorded the number of cigarettes that they smoked each day. John was unaware that national stop-smoking week also happened to take place during the one-month time period of his experiment. John's experiment is now confounded by:
a. maturation.
b. history.
c. regression to the mean.
d. mortality.
Testing the Chemical Characteristics of Urine with Reagent Strips
Voltmeter hook-ups for voltage-drop testing of a GM-type cranking circuit.
Effect of Productivity Improvement in the Malthusian Model
Testing muscle strength - Masseter muscles
Testing the strength of the trapezius muscle against resistance
Denney's model ON actual level of performance on exercised and unexercised abilities