Social Studies, 24.06.2019 16:30 24nelsoaddh

To research the claim that green tea lowers ldl (so-called bad) cholesterol, you ask a random sample of individuals to divulge whether they are regular green tea users or not. you also obtain their ldl cholesterol levels. finally, you compare the ldl cholesterol levels of the green tea drinkers to those of the non-green tea drinkers. explain why this is an observational study. a. this is an observational study because there is no intent to manipulate the explanatory variable, ldl cholesterol levels. b. this is an observational study because the researcher is manipulating the explanatory variable, whether the individual is a green tea drinker or not. c. this is an observational study because the researcher is manipulating the explanatory variable, ldl cholesterol levels. d. this is an observational study because there is no intent to manipulate the explanatory variable, whether the individual is a green tea drinker or not.

Answers: 1

Show answers

Another question on Social Studies

Social Studies, 22.06.2019 09:50

Persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research was approved.persons who are under 18 years of age.persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research will be conducted.persons who are under 21 years of age.

Answers: 2

Answer

Social Studies, 22.06.2019 16:40

When recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous years?

Answers: 1

Answer

Social Studies, 22.06.2019 21:30

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design

Answers: 2

Answer

Social Studies, 23.06.2019 03:30

Energy is the total kinetic energy of particles of matter.(chose wisely & pick one) a. mechanical b.thermal c.electrical d.chemical

Answers: 1

Answer

You know the right answer?

To research the claim that green tea lowers ldl (so-called bad) cholesterol, you ask a random sample...

Questions