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3) A social psychologist was interested in the effect of the presence of others on study behaviors. A random sample of 20 participants was obtained. At baseline, participants' study behaviors were measured by observing how long they would study in a room when being left alone with two iter a textbook and 2) his or her cell phone. A week later, participants were asked to return to the lal were asked to wait in a room with 4 confederates (other people who are supposedly participants study as well) who appeared to be studying, and were again given: 1) a textbook and 2) his or he phone. The researcher recorded how long the participant studied under this condition. Below ar results. Std. Deviation Std. Error Mean Mean Pair 1 alone 9.7250 20 2.75048 .61503 with_others 10.0500 20 2.81864 .63027 Paired Differences 95% Confidence Interval of the Difference Std. Deviation Std. Error Mean Sig. (2- tailed) Mean Lower Upper df Pair 1 alone - with others -,32500 .86260 .19288 -.72871 .07871 -1.685 19 .108

3) A social psychologist was interested in the effect of the presence of others on study behaviors. A random sample of 20 participants was obtained. At baseline, participants' study behaviors were measured by observing how long they would study in a room when being left alone with two iter a textbook and 2) his or her cell phone. A week later, participants were asked to return to the lal were asked to wait in a room with 4 confederates (other people who are supposedly participants study as well) who appeared to be studying, and were again given: 1) a textbook and 2) his or he phone. The researcher recorded how long the participant studied under this condition. Below ar results. Std. Deviation Std. Error Mean Mean Pair 1 alone 9.7250 20 2.75048 .61503 with_others 10.0500 20 2.81864 .63027 Paired Differences 95% Confidence Interval of the Difference Std. Deviation Std. Error Mean Sig. (2- tailed) Mean Lower Upper df Pair 1 alone - with others -,32500 .86260 .19288 -.72871 .07871 -1.685 19 .108

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 27PPS
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A)indicate the independent and dependent variables for each study(if any)

B)what type of research design was used(if any)

C)what t-test was used to analyze the data?

3) A social psychologist was interested in the effect of the presence of others on study behaviors. A random sample of 20 participants was obtained. At baseline, participants' study behaviors were measured by observing how long they would study in a room when being left alone with two iter a textbook and 2) his or her cell phone. A week later, participants were asked to return to the lal were asked to wait in a room with 4 confederates (other people who are supposedly participants study as well) who appeared to be studying, and were again given: 1) a textbook and 2) his or he phone. The researcher recorded how long the participant studied under this condition. Below ar results. Std. Deviation Std. Error Mean Mean Pair 1 alone 9.7250 20 2.75048 .61503 with_others 10.0500 20 2.81864 .63027 Paired Differences 95% Confidence Interval of the Difference Std. Deviation Std. Error Mean Sig. (2- tailed) Mean Lower Upper df Pair 1 alone - with others -,32500 .86260 .19288 -.72871 .07871 -1.685 19 .108
Transcribed Image Text:3) A social psychologist was interested in the effect of the presence of others on study behaviors. A random sample of 20 participants was obtained. At baseline, participants' study behaviors were measured by observing how long they would study in a room when being left alone with two iter a textbook and 2) his or her cell phone. A week later, participants were asked to return to the lal were asked to wait in a room with 4 confederates (other people who are supposedly participants study as well) who appeared to be studying, and were again given: 1) a textbook and 2) his or he phone. The researcher recorded how long the participant studied under this condition. Below ar results. Std. Deviation Std. Error Mean Mean Pair 1 alone 9.7250 20 2.75048 .61503 with_others 10.0500 20 2.81864 .63027 Paired Differences 95% Confidence Interval of the Difference Std. Deviation Std. Error Mean Sig. (2- tailed) Mean Lower Upper df Pair 1 alone - with others -,32500 .86260 .19288 -.72871 .07871 -1.685 19 .108
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