Answer: experimenting with multiple substances
Explanation:because it says melting point of a new substance so that is the project there is no need to try it out with other substances if what he is trying to find is one
Answer:
The answer is "Decision informity, staff validity, and hierarchical sensitivity"
Explanation:
The information on decision-making reveals if individuals have appropriate information on their own tasks.
The legitimacy of the staff relates to the ability to which the leadership has been recommended through membership.
Hierarchical sensitivity is a reflection of how effectively the leader considers the members' suggestions.
Answer:
Check being presented to the gender is the dependent variable
Which gender takes charge is the independent variable
Explanation:
The relationship between two variables is found observing which variable changes the other.
When a variable changes irrespective of the other variable it is the independent variable.
When a variable changes with respect to the independent variable it is the dependent variable.
Here, the effect of who takes charge during dinner is being observed and whether this effect causes a change in who the check is presented to is noted.
Hence the check being presented to the gender is the dependent variable and which gender takes charge is the independent variable.
Answer: A ratio scale of measurement.
Explanation: Ratio scale can be defined as the measurement that is based on the quantity of the object .It consist of the intervals for determining the measurements with the characteristic of zero point.
As the situation mentioned in the question about Todd conducting the research on the basis of asking about number of friends from the students displays that he is measuring the quantity and thus using the ratio scale of measurement.If someone has no friends then zero pint will be indicated.
Other options are incorrect because qualitative variable is based on quality , categorical variable refers to category and other-report-measure is the indirect method for measurement.
Answer:
d. boundaries
Explanation:
Considering the context of the passage, the world that could best be substituted for "distinct lines of demarcation" without significantly changing the author's meaning is BOUNDARIES.
This is because "Boundaries" have depicted or has the same meaning of separating or creating different levels of work within an occupation.
