Questions Refer to Table 12-4 SOURCE TABLE -Refer to Table 12-2

question 115

Multiple Choice

Questions refer to Table 12-4. A researcher is interested in determining just how much negative interactions with strangers affect our sense of well-being. In this example, participants completed a scale of positive affect. Later, either a pleasant or unpleasant confederate is randomly assigned to interact with each participant. At the end of the experiment, participants’ positive affect is again assessed. Positive affect scores could range from 1 (low positive affect) to 15 (high positive affect) .
Table 12-4
TABLE OF MEANS:

$\begin{array}{c}\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { TIME POSITIVE AFFECT ASSESSED }\\\begin{array} { l l c c r } & & \text { BEFORE EXPERIMENT } & \text { AFTER EXPERIMENT } & \text { ROW M } \\ \text { Confederate } & \text { Pleasant } & 11.10 & 13.30 & 12.20 \\ \text { Demeanor } & \text { Unpleasant } & 10.60 & 3.50 & 7.05 \\ & \text { COLUMN M } & 10.85 & 8.40 & \\ & & & \text { Pop. } \mathrm { M } = 9.63 \end{array} \end{array}$

SOURCE TABLE


$\begin{array}{lcccccc}\text { SOURCE } & \text { SS } & \text { df } & \text { MS } & \text { F } & p \\\text { Between subjects effects } & & & & & & \\\quad \text { Confederate Demeanor } & 265.23 & 1 & 3705.63 & 420.43 & .000 \\\quad \text { Error } & 158.65 & 18 & 8.81 & & \\& & & & & \\\text { Within subjects effects } & & & & & & \\\quad \text { Time } & 60.03 & 1 & 60.03 & 18.14 & .000 \\\text { Confederate } x \text { Time } & 216.23 & 1 & 216.23 & 65.69 & .000\\\\\text { Error }& 59.25 & 18 & 3.29\end{array}$
-Refer to Table 12-2. This example represents a

• A) one-way ANOVA for independent samples.
• B) two-way ANOVA for independent samples.
• C) two-way ANOVA for correlated samples.
• D) two-way ANOVA for mixed samples.

Recognize the importance of hypothesis formulation and experimental design including participant division and variable identification.

Describe the developmental process and differentiate between continuous and discontinuous development.

Identify key ethical guidelines in conducting research with children.

Differentiate between nature and nurture debates in human development.