8/27/19

Question 1

Manipulative Experiments

Answer 1

conditions are deliberately altered and all other variables are held constant.

Question 2

Blind experiment

Answer 2

researchers don’t know which group is treated until after the data has been analyzed.

Question 3

Double-blind experiment

Answer 3

neither the subject nor the researchers knows who is in the treatment
group and who is in the control group

Question 4

Replication

Answer 4

repeating studies or tests

Question 5

Significant number

Answer 5

a level of detail actually known

Question 6

Deductive reasoning

Answer 6

conclusions from laws that you know to be true

Question 7

Inductive reasoning

Answer 7

reasoning from many observations to produce a general rule

Question 8

Hypothesis

Answer 8

a testable explanation

Question 9

Statistics

Answer 9

numbers that let you evaluate and compare things

Question 10

Mean

Answer 10

the average

Question 11

Sample

Answer 11

a small part or quantity

Question 12

Scientific Theory

Answer 12

Explanations supported by large numbers of tests

Question 13

Natural experiment

Answer 13

you observe natural events and interpret a casual relationship between the
variables

Question 14

Manipulative experiments

Answer 14

conditions are deliberately altered and all other variables are held
constant

Question 15

Controlled study

Answer 15

comparison between an exposed group and unexposed group

Question 16

Blind experiment

Answer 16

the researcher doesn’t know which group is treated until after the data has been
analyzed.

Question 17

Models

Answer 17

a simple representation of something

Question 18

Open system

Answer 18

those that receive inputs from their surroundings and produce outputs that leave
the system.

Question 19

Closed system

Answer 19

exchanges no energy or matter with its surroundings, but these are rare.

Question 20

Throughput

Answer 20

the energy and matter that flow into, through, and out of a system.

Question 21

Positive feedback

Answer 21

the enhancement or amplification of an effect by its own influence on the process that gives rise to it

Question 22

Negative feedback

Answer 22

the counteraction of an effect by its own influence on the process giving rise
to it

Question 23

Homeostasis

Answer 23

stable

Question 24

Disturbance

Answer 24

events that can destabilize or change a system

Question 25

Resilience

Answer 25

ability to recover from disturbance