The variables that investigators try to keep the same for both the experimental
ID: 50903 • Letter: T
Question
The variables that investigators try to keep the same for both the experimental and the control groups are a) independent. (b) controlled. (c) dependent. (d) a and c 1·The natural philosophy of Aristotle and his colleagues was (a) mechanistic. (b) vitalistic. (c) a belief in absolute truth. (d) a and c A person who believes that the yniverse is at least partially controlled by super- natural powers can best be described as a(n) (a) teleologist. (b) vitalist. (c) empiricist. 2. Variables that are always different between the experimental and the control groups are (a) independent. (b) controlled. (c) dependent. (d) a andc 7. _. 3. The first step of the scientific method 8. The results of an experiment don't have to be repeatable. should be repeatable by the investigator should be repeatable by other investigators. must be both b and c. (a) is to (a) ask a question. (b) construct a hypothesis. (c) observe carefully (d) formulate a prediction. (b) (c) (d) Which series of letters lists the first four steps of the scientific method (see question 3) in the correct order? (a) a, b, c, d (b) a, b, d, c (c) c, a, b, d (d) d, c, a, b 4. 9. The detailed report of an experiment is usually published in a (a) newspaper (b) book. (c) scientific journal. (d) magazine. 5. In an experiment the subjects or items 10. Bioassays can be used to (a) test new drugs. (b) determine the effectiveness of new being investigated are divided into the experimental group and (a) the nonexperimental group. (b) the control group (c) the statistics group. (d) none of these choices fertilizers and herbicides measure the effects their waste discharges have on aquatic organisms. do all of these choices. (c) (d)Explanation / Answer
1. the natural philosophy of aristrotle is mechanistic -mechanistic only natural forces govern living things along with the rest of universe ,so option a is correct
2. a person who believes that universe is at least controlled by supernatural powers can be described as vitalist ,option b is correct
3. the first step in scientific method is to observe carefully ,so option C is correct .
4. which series of letter first is option c is correct . c,a,b,d
5. option b is correct , control group.
6. option b , controlled is kept same .
7. option d , both dependent and independent variable are kept different .
8. option d , should be repeated by investigators and other investigators also .
9. option c , scientific journel
10 option d , do all these ,testing new drugs, effectiveness of herbicides , waste discharge on aquatic organism
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