Questions Refer to Table 11-2 ONEWAY ANOVA: SMOKING by AGE (CORR SAMP)

question 35

Multiple Choice

Questions refer to Table 11-2. In this study, 10 children completed a survey regarding their impressions of smokers at age 8 and then again at age 10 and 12. Scores could range from 1 (extreme negative impression of smokers) to 20 (extreme positive impression of smokers) .

Table 11-2
$\begin{array} { c c c c c } \text { GROUP } & \mathrm { N } & \text { MEAN } & \text { STD DEV } & \text { STD ERROR } \\ 1 \text { (AGE 8) } & 10 & 9.70 & 5.89 & 1.86 \\ 2 \text { (AGE 10) } & 10 & 10.40 & 5.58 & 1.76 \\ 3 \text { (AGE 12) } & 10 & 11.80 & 5.94 & 1.88 \end{array}$


ONEWAY ANOVA: SMOKING by AGE (CORR SAMP)


$\begin{array} { l c c c r r } & \text { SUM OF } & \text { MEAN } & & \\ \text { SOURCE } & \text { SQUARES } & \text { DF } & \text { SQUARES } & \text { F RATIO } & \text { PROB. } \\ \text { AGE } & 22.87 & 2 & 11.43 & 6.76 & .006 \\\text { SUBJECTS } & 879.63 & 9 & 97.74 & 34.71 & .000 \\\text { WITHIN CELLS } & 30.47 & 18 & 1.69 & & \\\text { TOTAL } & 932.97 & 29 & & & \end{array}$


POST HOC TEST: Tukey-HSD with significance level .05
* Indicates significant differences shown for pairings
$\begin{array} { l l l } \mathrm { G } & \mathrm { G } & \mathrm { G } \\ \mathrm { r } & \mathrm { r } & \mathrm { r } \\ \mathrm { p } & \mathrm { p } & \mathrm { p } \\ 1 & 2 & 3 \end{array}$


$\begin{array}{ll}\text { Mean } & \mathrm{AGE}\\9.70 & \text { Grp } 1 \\10.40 & \text { Grp 2 } \\11.80 & \text { Grp } 3\end{array}$
-Consult Table 11-2. The independent variable in this study is __________ and the dependent variable in this study is ____________.

• A) age of participants; number of participants
• B) age of participants; scores indicating impressions of smokers
• C) scores indicating impressions of smokers; age of participants
• D) scores indicating impressions of smokers; number of participants

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Definitions:

Fab Fragments

Regions of an antibody molecule that bind to antigens, consisting of one constant and one variable domain of each of the heavy and the light chain.

Antibody-Mediated Immunity

A type of specific immune response in which B cells differentiate into plasma cells and produce antibodies that bind with foreign antigens, leading to the destruction of pathogens. Compare with cell-mediated immunity.

B Cells

A type of white blood cell that plays a crucial role in the immune system by producing antibodies to fight off infections.

Plasma Cells

White blood cells that produce antibodies, playing a crucial role in the body's immune response to infection.