Measurement and Methodology [GRE (Graduate Record Examinations) Psychology]: Questions 12 - 14 of 135
Choose Programs:
📹 Video Course 2024 (184 Lectures [71 hrs : 3 mins]): Offline Support
Rs. 440.00 -OR-
1 Month Validity (Multiple Devices)
Preview All LecturesDetails
🎓 Study Material (827 Notes): 2024-2025 Syllabus
Rs. 850.00 -OR-
3 Year Validity (Multiple Devices)
Topic-wise Notes & SampleDetails
🎯 554 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 350.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 12
Question MCQ▾
Statistics are used in psychological research to ________.
Choices
Choice (5) | Response | |
---|---|---|
a. | Evaluate the likelihood that the experiment caused the differences in behavior across treatment conditions. | |
b. | Prove the null hypothesis. | |
c. | Prove that the research hypothesis is correct. | |
d. | Justify the experimenter՚s conclusions. | |
e. | Quantify the dependent variable. |
Question 13
Question MCQ▾
A behavioral observation checklist requires the observer to note whether the person being observed smiles. A key source of error variance resulting from this requirement is
Choices
Choice (5) | Response | |
---|---|---|
a. | item sampling variance. | |
b. | content variance. | |
c. | scoring variance. | |
d. | All of the above | |
e. | Question does not provide sufficient data or is vague |
Question 14
Question MCQ▾
The amount of variance in scores accounted for by a correlation coefficient of -0.70 is
Choices
Choice (5) | Response | |
---|---|---|
a. | less than zero because the correlation is negative | |
b. | indeterminate because the correlation is negative | |
c. | 14% if the reliability of the measures is greater than . 70 | |
d. | almost 50% if the reliability of the measures is + 1.00 | |
e. | 70% if the reliability of the measures is + 1.00 |