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StatisticsEssentials of Statistics for the Behavioral SciencesA researcher is investigating the effectiveness of a treatment for adolescent boys who are taking medication for depression. A group of 30 boys is selected and half receive the new treatment in addition to their medication and the other half continue to take their medication without any treatment. For this study, a. Identify the population. b. Identify the sample.BuyFind*arrow_forward*

8th Edition

Frederick J Gravetter + 1 other

Publisher: Cengage Learning

ISBN: 9781133956570

Chapter 1, Problem 1P

Textbook Problem

A researcher is investigating the effectiveness of a treatment for adolescent boys who are taking medication for depression. A group of 30 boys is selected and half receive the new treatment in addition to their medication and the other half continue to take their medication without any treatment. For this study,

**a.**Identify the population.**b.**Identify the sample.

Expert Solution

**(a)**

To determine

**To identify:** The population of the study.

The population is all adolescent boys who are taking medication for depression.

**Given info:**

A researcher is investigating the effectiveness of a treatment for adolescent boys who are taking medication for depression.

**Justification:**

*Population:*

A population is the entire set of the individuals of interest for a particular research question.

The study states that the population might be the adolescent boys who are taking medication for depression.

Expert Solution

**(b)**

To determine

**To Find:** The sample for the study.

The sample is thirty adolescent boys who are taking medication for depression.

**Given info:**

A researcher is investigates a group of 30 boys and half receive the new treatment in addition to their medication and the other half continue to take their medication without any treatment.

**Justification:**

*Sample:*

A sample is a set of individuals selected from a population, usually intended to represent the population in a research study.

The study states that the researcher randomly selects the group of thirty boys. Out of those thirty boys, half of them receive the new treatment in addition to their medication and the other half of them continue to take their medication without any treatment.

Hence, the sample is thirty adolescent boys who are taking medication for depression.

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