Reference no: EM13897309
A researcher is testing the effect of sunlight on plant growth. She takes 2 plants and places them in full sun, 2 are placed in a moderately sunny environment and 2 are placed in the dark. Those placed in the dark are
A. positive control
B. independent variable
C. dependent variable
D. negative control
A researcher hypothesizes that increased sunlight will cause increased plant growth. She takes 2 plants and places them in full sun, 2 are placed in a moderately sunny environment and 2 are placed in the dark. What is wrong with this experiment?
A. There is no positive control
B. There are too many independent variables
C. There is not enough replication
D. The hypothesis is not testable
A researcher is interested in the effect of a new teaching technique. He compares exam scores before and after using the technique and gives the students a survey to measure their attitude about the new technique. The survey is:
A. a qualitative measure
B. a quantitative measure
C. not actual data that can be analyzed
D. a dependent variable
E. a qualitative measure and a dependent variable
F. a quantitative measure and an independent variable
|
What are adverse selection and moral hazard?
: What are adverse selection and moral hazard?
|
|
Calculate the area of ceiling vents
: Calculate the area of ceiling vents required for ensuring a maximum thickness of the smoke layer of 5 m
|
|
Discuss limitations due to soil features
: How do soil types (sand, silt, clay content) or soil restrictions, such as rockiness or hard pans influence choices related to power source, tillage, and planting equipment? Discuss limitations due to soil features and how a producer might overcom..
|
|
Be sure to save an electronic copy of your answer
: Directions: Be sure to save an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in complete sentences, and be sure to use correct English, spelling and grammar. Sources must be cite..
|
|
A researcher is testing the effect of sunlight
: A researcher is testing the effect of sunlight on plant growth. She takes 2 plants and places them in full sun, 2 are placed in a moderately sunny environment and 2 are placed in the dark. Those placed in the dark are A. positive control
|
|
What is the definition of forest management
: What effect does the harvesting of trees and deforestation have on forests and the environment? Is there a preferred method for harvesting trees?
|
|
Please explain the cell biological process in simple terms
: Please explain the cell biological process in simple terms
|
|
What is the phase in cellular respiration
: What is the phase in cellular respiration that converts ATP to ADP?
|
|
The beetle species popillia japonica
: Please describe in a narrative (not just a list), the phylogeny of the beetle species Popillia japonica which is commonly known as the Japanese beetle by using the specific name (Genus species), the Subfamily, Family, the Order, the Class, and the Ph..
|