Gentle and Statistical Introduction MCQs
Gentle and Statistical Introduction MCQs
Answer these 30 Gentle and Statistical Introduction MCQs and assess your grip on the subject of Gentle and Statistical Introduction.
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1: Abuse of power means_____
A. The use of more participants than necessary
B. The use of more resources than necessary
C. The use of irrelevant information
D. All of these
2: Confounding variable is a variable that varies systematically with the dependent variable, and prevents a clear interpretation of the effect of the _____ on the dependent variable.
A. Continuous variable
B. Independent variable
C. Discrete variable
D. All of theses
3: A measurement scale where an individual measurement can be made at any point along the range of the scale is known as_____
A. Confounding variable
B. Continuous variable
C. Discrete variable
D. Dependent variable
4: Dependent variable is also called as_____
A. Continuous variable
B. Response variable
C. Discrete variable
D. Both a and b
5: Descriptive statistics refer to a group of techniques used to describe data in a straightforward abbreviated manner that may include the number of participants, their ages,graphs and _____
A. Means
B. Pie charts
C. Tables
D. All of these
6: Dichotomous variable is a measurement scale where an individual measurement can fall into only _____ discrete categories.
A. Two
B. Four
C. Eight
D. Any
7: The values between the discrete variables are_____
A. Meaningful
B. Somewhat meaningful
C. Not meaningful
D. Both a and b
8: In double blind experiment the participants are kept unaware of the experimenter’s hypothesis, and the experimenter is kept aware of the participants’ group affiliation until after the dependent variable has been measured.
A. True
B. False
9: All are studied in an experimental design except_____
A. The framework or structure for how an experimental study will be conducted
B. Manipulation of control
C. Specifying the number of groups to be studied
D. All are correct
10: Extreme group design is an experimental design where_____ participants on some criterion variable are chosen and then compared on some other dependent or response variable.
A. Top ranked
B. Bottom ranked
C. Mid ranked
D. Both a and b
11: A testable educated guess that guides research that is generated by a more general theory is known as_____
A. Observation
B. Hypothesis
C. Theory
D. Law
12: Techniques that are used on samples to make inferences about population values refer to_____
A. Discrete statistics
B. Inferential statistics
C. Descriptive statistics
D. Both b and c
13: A measurement scale in which the units of measurement are equal along the length of the scale and rational zero point _____
A. 1
B. 2
C. 3
D. Not present
14: Measurement error is the difference between an obtained value of the dependent variable and what would be the theoretically true value.
A. True
B. False
15: Nocebo effect is the belief of a participant in an experiment or a patient that a drug or treatment will_____
A. Treat them
B. Harm them
C. Have no effect
D. None of these
16: In nominal scale the data is _____
A. Ranked numerically
B. Named
C. Labeled
D. Both b and c
17: Operational definition is the definition of a concept by means of the operations or procedures that were used to _____ it.
A. Make
B. Produce
C. Measure
D. All of these
18: In ordinal scale the data are rank-ordered according to the_____
A. Label
B. Trait
C. Number
D. All of these
19: Common and conventionally accepted ways of measuring numerical data characteristics such as _____
A. Mean
B. Standard deviation
C. Both
D. None
20: In placebo effect the drug given is_____
A. Low dose
B. Toxic dose
C. Inert
D. All of these
21: Population is most often a theoretical group of all possible scores with the same trait or traits.
A. True
B. False
22: The standard for minimum power in psychological research is_____
A. 8.0
B. 0.80
C. 80
D. 0.08
23: The power of a test is estimated by _____
A. β
B. 1 – β
C. β-1
D. 0-β
24: A statistical procedure designed to help the researcher determine the minimum sample size that will help determine whether a treatment or procedure really works is known as_____
A. Parameter
B. Power analysis
C. Significance
D. All of these
25: A measurement scale in which the units of measurement are equal and there is a rational zero point is known as_____
A. Interval scale
B. Nominal scale
C. Ordinal scale
D. Ratio scale
26: The significance level in replication is _____
A. 0.005
B. 0.05
C. 0.5
D. 5.0
27: Common and conventionally accepted ways of measuring numerical data characteristics such as _____
A. Mean
B. Standard deviation
C. Both
D. None
28: A smaller group of scores selected from the population of scores is known as sample.
A. True
B. False
29: Sigma is a symbol used to indicate that a set of numbers should be_____
A. Subtracted
B. Added
C. Divided
D. Multiplied
30: Findings are considered statistically significant if the probability that we are wrong is _____
A. Equal to 0.05
B. Less than 0.05
C. More than 0.05
D. All of these
31: Significant findings indicate that the results of the experiment are not real and by chance.
A. True
B. False
32: A stratified sample is a sample in which people or objects are included in the sample in varying proportion to their frequency in the subgroups that make up the population.
A. True
B. False
33: A good theory should _____
A. Be provocative
B. Be compelling
C. Should generate testable hypotheses
D. All of these
34: Independent variable is also known as_____
A. Treatment variable
B. Predictor variable
C. Response variable
D. Both a and b
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Gentle and Statistical Introduction MCQs
