PSYCH-In response to a column printed in newspaper

In response to a column printed in newspapers throughout the United States, an advice columnist received over 28,000 responses. Over 75% of respondents said that if they had it to do over again, they would not have children. The columnist concludes that most parents are sorry that they had children. For which of the following reasons is her conclusion not valid? A. Her participants were not randomly assigned in her study. B. The number of respondents from across the country was too small. C. The study was not replicated. D. Her sample may not have been representative of the population. E. The study should have been a double-blind study.

D

Key Concept

Representative Sample

Explanation

The columnist's conclusion may not be valid because her sample may not have been representative of the population. This means that the respondents who participated in the study may not accurately represent the larger population of parents. Therefore, the conclusion cannot be generalized to all parents based on this sample.

What factors could have influenced the respondents' opinions on whether or not they regret having children?, Generate me a similar question

In response to a column printed in newspapers throughout the United States, an advice columnist received over 28,000 responses. Over 75% of respondents said that if they had it to do over again, they would not have children. The columnist concludes that most parents are sorry that they had children. For which of the following reasons is her conclusion not valid? A. Her participants were not randomly assigned in her study. B. The number of respondents from across the country was too small. C. The study was not replicated. D. Her sample may not have been representative of the population. E. The study should have been a double-blind study.

D

Key Concept

Representative sample

Explanation

The columnist's conclusion may not be valid because her sample may not have been representative of the population. This means that the respondents who participated in the study may not accurately represent the larger population of parents. Therefore, the conclusion cannot be generalized to all parents based on this sample.

What factors could have influenced the respondents' answers in the study on parents' regret about having children?, Generate me a similar question

4. Which coefficient indicates the strongest correlation' A. -1.00 B. -33 C. 0.00 D. ÷.50 E. ÷.89

D

Key Concept

Correlation coefficient

Explanation

The correlation coefficient measures the strength and direction of the relationship between two variables. It ranges from -1 to +1, where -1 indicates a perfect negative correlation, +1 indicates a perfect positive correlation, and 0 indicates no correlation. Among the given options, the coefficient ÷.50 (option D) indicates the strongest correlation as it is closest to +1.

What is the significance of correlation coefficients in determining the strength of a relationship between variables in psychology?, Generate me a similar question

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