. Assume that you had just been to a demonstration by the psychic Uri Geller and had watched him supposedly apply his psychic powers to do such things as bend spoons. Let us further assume that you are a skeptic and doubt that this was done by psychic powers. You want to conduct a study to determine if Uri Geller really has the ability to bend a spoon through use of his psychic powers. This research idea would have originated from:
a. Everyday life
b. A practical issue
c. Past research
d. Theory
Ans: a
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A middle grades science teacher wants to provide students with practice in the skill of interpreting data. What would be the most suitable activity?
a. Ask students to construct a graph showing the amount of sugar water put on the grass in the school yard and the number of ants the sugar water attracts. b. Ask students to construct a graph showing the pH of water when varying amounts of vinegar are added. c. Ask students to measure the width of a simulated river in a tray of sand and the length of time a stream of water ran down the sand in the tray. d. Ask students to measure the strength of several magnets in terms of the number of paper clips each magnet attracts and holds. e. All of the above f. None of the above
Answer the following statement(s) true (T) or false (F)
Because all research studies are important, the dates of the sources used are irrelevant.
Narrow questions can lead to narrow reading and isolated learning when you use
a. the P2R reading/study system b. the SQ3R reading/study system c. the S-RUN-R reading/study system d. all of the above reading/study systems
What does an item discrimination index of 0 tell you?
a. Students who did well on the test were likely to answer correctly and students who did not do well did not tend to answer it correctly. b. The question does not reliably discriminate between students who did well on the test and those who did not. c. Students who did poorly on the test were likely to get it right and students who did well tended to get it wrong. d. A greater number of students answered this question correctly than incorrectly.