number 9 2 and age 4 compared to children who drank wholeor 2% milk (Scharf, Demmer, and DeBoer, 2013). Isthis an example of an experimentalmental study?*1. A researcher is interested in the texting habits of highschool students in the United States. The researchernonexperiselects a group of 100 students, measures the numberof text messages that each individual sends each dayand calculates the average number for the groupa. Identify the population for this studyb. Identify the sample for this studyc. The average number that the researcher calculatedis an example of a .2. Define the terms population, sample, parameterand statisticor a9. Gentile, Lynch, Linder, and Walsh (2004) surveyedover 600 8th- and 9th-grade students asking abouttheir gaming habits and other behaviors. Their resultsshowed that the adolescents who experienced morevideo game violence were also more hostile and hadmore frequent arguments with teachers. Is this anexperimental or a nonexperimental study? Explainyour answer10. Weinstein, McDermott, and Roediger (2010) conducted an experiment to evaluate the effectiveness ofdifferent study strategies. One part of the study askedstudents to prepare for a test by reading a passageIn one condition, students generated and answeredquestions after reading the passage. In a second condi-tion, students simply read the passage a second timeAll students were then given a test on the passage3. Statistical methods are classified into two major catego-ries: descriptive and inferential. Describe the generalpurpose for the statistical methods in each category4. Define the concept of sampling error and explain whythis phenomenon creates a problem to be addressed byinferential statistics5. Describe the data for a correlational research studyExplain how these data are different from the dataobtained in experimental and nonexperimentalstudies, which also evaluate relationships betweentwo variablesmaterial and the researchers recorded the number ofcorrect answersa. Identify the dependent variable for this studyb. Is the dependent variable discrete or continuous?c. What scale of measurement (nominal, ordinalinterval, or ratio) is used to measure the dependentvariable?6. Describe how the goal of an experimental researchstudy is different from the goal for nonexperimental orcorrelational research. Identify the two elements thatare necessary for an experiment to achieve its goal7. Stephens, Atkins, and Kingston (2009) conducted anexperiment in which participants were able to toleratemore pain when they were shouting their favoriteswear words than when they were shouting neutralwords. Identify the independent and dependent vari-ables for this study11. A research study reports that alcohol consumption issignificantly higher for students at a state universitythan for students at a religious college (Wells, 2010)Is this study an example of an experiment? Explainwhy or why not.12. In an experiment examining the effects Tai Chi onarthritis pain, Callahan (2010) selected a large sampleof individuals with doctor-diagnosed arthritis. Half ofthe participants immediately began a Tai Chi courseand the other half (the control group) waited 8 weeksbefore beginning. At the end of 8 weeks, the individuals8. The results of a recent study showed that childrenwho routinely drank reduced fat milk (1% or skim)were more likely to be overweight or obese at ageSolutions for odd-numbered problems are provided in Appendix C.

Name: number 9 2 and age 4 compared to children who drank wholeor 2% milk (S
Uploaded: 2024-03-05T11:52:21.000Z
Channel: Bartleby
Description: number 9 2 and age 4 compared to children who drank wholeor 2% milk (Scharf, Demmer, and DeBoer, 2013). Isthis an example of an experimentalmental study?*1. A researcher is interested in the texting habits of highschool students in the United States.

Question

Accepted Answer

Experimental study:In an experimental study, the researcher manipulates one variable and randomizes…