A psychologist interested in gender differences examined whether people can determine the sex of an individual...
A psychologist interested in gender differences examined whether people can determine the sex of an individual from a sample of his/her handwriting. In a study of this matter, female handwriting samples were correctly identified as such by 73% of volunteer subjects, while male handwriting samples were correctly identified by 66% of subjects. In this study, 56% of the handwriting samples were from females. Suppose you know that a subject incorrectly identified a sample. What is the probability that this handwriting sample is from a woman? Round your answer to two decimal places.
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A psychologist interested in gender differences examined whether
people can determine the sex of an individual...
A researcher is interested in whether a person’s gender is related to their favorite subject in...
A researcher is interested in whether a person’s gender is related to their favorite subject in school. The researcher records how many male and female participants are in the study and whether they prefer English, Math, or Science. A. What type of study design is this (descriptive, correlational, or experimental)? B. What would be the appropriate statistical analysis to use in that situation (Chi-Square, Pearson correlation, one sample t-test, paired samples t-test, independent samples t-test, or ANOVA)?
he following data comes from “The Impact of AIDS on Gender Differences in Willingness to Engage...
he following data comes from “The Impact of AIDS on Gender Differences in Willingness to Engage in Casual Sex” by Russell Clark, Journal of Applied Social Psychology, Vol. 20, No.9, pp.771-782. In this study researchers were interested in gender differences in willingness to engage in casual sex. Both males and females were approached by opposite sex confederates and asked one of the three questions: “I have been noticing you around campus. I find you to be very attractive.” Then the...
Do left-handed people live shorter lives than right-handed people? A study of this question examined a...
Do left-handed people live shorter lives than right-handed people? A study of this question examined a sample of 949 death records and contacted next of kin to determine handedness. Note that there are many possible definitions of "left-handed." The researchers examined the effects of different definitions on the results of their analysis and found that their conclusions were not sensitive to the exact definition used. For the results presented here, people were defined to be right-handed if they wrote, drew,...
I am interested in determining which sex, male or female, is more likely to have a...
I am interested in determining which sex, male or female, is more likely to have a tattoo. I collected data from 240 females and 215 males. 100 of the females and 67 of the males reported having at least one tattoo. I fed the data into Statistix and the following printout was produced. Hypothesis Test Two Proportions Sample Size Successes 240 100 215 67 Sample 1 Sample 2 Difference Proportion 0.41667 0.31163 0.10504 Null Hypothesis: P1 = P2 Alternative Hyp:...
In a study designed to measure various aspects of multicultural sensitivity, simple random samples of 15...
In a study designed to measure various aspects of multicultural sensitivity, simple random samples of 15 male and 15 female clinical psychologists were given several tests. On one of the tests, the two sets of sample scores were: Male Female 67 56 73 66 65 62 69 61 58 65 60 70 60 56 64 70 66 69 59 73 74 66 61 60 59 68 67 75 66 54 Do these scores indicate a difference between men and women with respect to this aspect of multicultural sensitivity? Begin by identifying a statement to be...
A language psychologist is interested in whether or not bilingualism causes people to have enhanced word vocabulary on their first language. (That is the language that they learned in their family set...
A language psychologist is interested in whether or not bilingualism causes people to have enhanced word vocabulary on their first language. (That is the language that they learned in their family setting from infancy.) She collects as set of 400 obscure words [words that are not part of their everyday lives] her participants’ first language. She tests 45 bilingual people and counts the number of words from this list they define correctly. Data Bilinguals Monolinguals Observed 30 15 From a...
Do left-handed people live shorter lives than right-handed people? A study of this question examined a...
Do left-handed people live shorter lives than right-handed people? A study of this question examined a sample of 949 death records and contacted next of kin to determine handedness. Note that there are many possible definitions of "left-handed." The researchers examined the effects of different definitions on the results of their analysis and found that their conclusions were not sensitive to the exact definition used. For the results presented here, people were defined to be right-handed if they wrote, drew,...
Physical education rescarchers interested in the develoment of the overarm throw measured the horizontal velocity of...
Physical education rescarchers interested in the develoment of the overarm throw measured the horizontal velocity of a thrown ball at the time of release. The results for first-grade children (in feet/sec) (courtesy of L. Halverson and M. Roberton) are: Males: 54.2, 39.6, 52.3, 48.4, 35.9, 30.4, 25.2, 45.4, 48.9, 48.9, 45.8, 44.0, 52.5, 48.3, 59.9, 51.7, 38.6, 39.1, 19.9, 38.3 Females: 30.3, 43.0, 25.7, 26.7, 27.3, 31.9, 53.7, 32.9, 19.4, 23.7, 23.3, 23.3, 37.8, 39.5, 33.5, 30.4, 28.5 (a) Use...
How do I respond to this? This study examined whether chronic heart failure outcomes can be...
How do I respond to this? This study examined whether chronic heart failure outcomes can be improved by activation or increasing patient engagement in care for self-care management (Shively, 2013, p.20). This study is an example of quantitative research with a longitudinal design. A longitudinal design involves repeated observations of the same subject over a short or long period. This study used a randomized 2-group repeated measures design (Shively, 2013, p.20). The experimental groups randomly assigned to either the control...
Write 3 paragraphs for reflection and should be do the following: 1. In first paragraph, Summarize...
Write 3 paragraphs for reflection and should be do the following: 1. In first paragraph, Summarize the article (attached below). (Don't plagiarism from article. Please use your own words to summarize article below) 2. In second paragraph, Connect the article with one of those "biological variation in modern humans" or "cultural anthropology" or "how identity and worldview are deeply influenced by cultural upbringing" or "human pre-history, human social interaction, and human cultures". Be specific about the connections you make. 3....
Do left-handed people live shorter lives than right-handed people? A study of this question examined a sample of 949 death records and contacted next of kin to determine handedness. Note that there are many possible definitions of "left-handed." The researchers examined the effects of different definitions on the results of their analysis and found that their conclusions were not sensitive to the exact definition used. For the results presented here, people were defined to be right-handed if they wrote, drew,...
I am interested in determining which sex, male or female, is more likely to have a tattoo. I collected data from 240 females and 215 males. 100 of the females and 67 of the males reported having at least one tattoo. I fed the data into Statistix and the following printout was produced. Hypothesis Test Two Proportions Sample Size Successes 240 100 215 67 Sample 1 Sample 2 Difference Proportion 0.41667 0.31163 0.10504 Null Hypothesis: P1 = P2 Alternative Hyp:...
Do left-handed people live shorter lives than right-handed people? A study of this question examined a sample of 949 death records and contacted next of kin to determine handedness. Note that there are many possible definitions of "left-handed." The researchers examined the effects of different definitions on the results of their analysis and found that their conclusions were not sensitive to the exact definition used. For the results presented here, people were defined to be right-handed if they wrote, drew,...
Physical education rescarchers interested in the develoment of the overarm throw measured the horizontal velocity of a thrown ball at the time of release. The results for first-grade children (in feet/sec) (courtesy of L. Halverson and M. Roberton) are: Males: 54.2, 39.6, 52.3, 48.4, 35.9, 30.4, 25.2, 45.4, 48.9, 48.9, 45.8, 44.0, 52.5, 48.3, 59.9, 51.7, 38.6, 39.1, 19.9, 38.3 Females: 30.3, 43.0, 25.7, 26.7, 27.3, 31.9, 53.7, 32.9, 19.4, 23.7, 23.3, 23.3, 37.8, 39.5, 33.5, 30.4, 28.5 (a) Use...
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