The following drawing illustrates the water-level task. Several developmental psychologists have investigated performanc

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The Following Drawing Illustrates The Water Level Task Several Developmental Psychologists Have Investigated Performanc 1 (20.19 KiB) Viewed 31 times

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The Following Drawing Illustrates The Water Level Task Several Developmental Psychologists Have Investigated Performanc 3 (24.05 KiB) Viewed 31 times

The following drawing illustrates the water-level task. Several developmental psychologists have investigated performance on this task. The figure on the left shows the water level in a glass of water that is half full (or is it half empty?). The figure on the right shows the same plass tipped to the right, but the water level is not shown. The task is to correctly draw the water line in this glass W Dow water be Some psychologist examined the water-level task success rate of 90 students from each of five different colleges within a university. Within each college, the sample included 45 men and 45 women. The investigators showed each participant eight different drawings of tipped glasses. If the participant correctly drew the water line on four or more of the drawings, he or she was given a "passing" result. Here is a contingency table of the results: Result on Task Pass Fail Total College Business 56 34 90 Language Arts 50 40 90 Social Sciences 44 46 90 Natural Sciences 64 26 90 78 12 90 Engineering Total 292 158 450 LA USE SALT a pertanya pada mes. Round the answers to one deomal place)
(a) Compare the colleges using row percentages. (Round the answers to one decimal place.) College to Pass Fail Business Language Arts Social Sciences Natural Sciences Engineering What differences are apparent from these percentages? The percentage passing differs among the colleges. It is lowest for students in the -Select- and highest for Beled (b) Write null and alternative hypotheses for this table. Nu hypothesis H₂: Student's college and performance on water level task are Select v Alternative hypothesis H: Student's college and performance on water level task are lect (c) What are the degrees of freedom, of, for a chi-square test? (d) The chi-square statistic for this table is 34.099. Determine a p-value. (Give your answer correct to three decimal places) p-value= State a conclusion about the null and alternative hypotheses Deode in favor of the Select hypothesis. The conclusion is that student's college and performance on the water level task areSelect students
H₂: Student's college and performance on water level task are ---Select-- (c) What are the degrees of freedom, df, for a chi-square test? df= (d) The chi-square statistic for this table is 34,099. Determine a p-value. (Give your answer correct to three decimal places.) p-value = State a conclusion about the null and alternative hypotheses. Decide in favor of the -Select- hypothesis. The conclusion is that student's college and performance on the water level task are -Select- (e) For each college, what are the expected counts for "Pass" and "Fail" outcomes? Result on Task College Pass Fail Business Language Arts Social Sciences Natural Sciences Engineering