Five Hundred Randomly Selected Automobile Owners Were Questioned on the Main

question 62

Essay

Five hundred randomly selected automobile owners were questioned on the main reason they had purchased their current automobile. The results are given below.
$\begin{array}{lcccc}&\text { Styling } &\text { Engineering} &\text {Fuel Economy }&\text {Total }\\\text { Male } & 70 & 130 & 150 & 350 \\\text { Female } & \underline{30} & \underline{20} & \underline{100} & \underline{150} \\\text { Total } &100&150 &250&500\end{array}$

a. State the null and alternative hypotheses for a contingency table test.
b. State the decision rule for the critical value approach. Let ? = .01.
c. Calculate the ?2 test statistic.
d. Give your conclusion for this test.

Distinguish between theories of language development, including nativism and learning theory.

Identify the stages and characteristics of early speech development.

Understand the role of experience and biological factors in language development.

Differentiate between types of speech errors and developmental patterns in language acquisition.

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Definitions:

Stable

Referring to something that is not likely to change or move; in psychology, it may refer to consistent personality traits or conditions.

Internal Attributions

The process of attributing the cause of one's own or another's behavior to internal, personal characteristics rather than to external factors.

External Attributions

The process of assigning the cause of behavior to some situation or event outside a person's control rather than to some internal characteristic.

Entity Theorists

Individuals who believe that personal attributes, such as intelligence or personality, are fixed and cannot be changed.