1-4

Question 1

observational study

Answer 1

The researcher merely observes what is happening or what
has happened in the past and tries to draw conclusions based on these observations.

Question 2

experimental study

Answer 2

the researcher manipulates one of the variables and tries to determine how the manipulation influences other variables

Question 3

The independent variable

Answer 3

An experimental study is the one that is being manipulated by the researcher.

Question 4

explanatory
variable

Answer 4

The independent variable

Question 5

outcome variable

Answer 5

The resultant variable

Question 6

dependent variable

Answer 6

The resultant variable or the outcome variable.

Question 7

confounding variable

Answer 7

Is one that influences the dependent or outcome variable
but was not separated from the independent variable.