FREE PSYCHOLOGY AND STUDY GAMES ABOUT RDAI

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FREE PSYCHOLOGY AND STUDY GAMES ABOUT RDAI

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -232 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Likert rating scale-

Answer:

A type of numerical rating scale developed by Renis Likert in1932.Question 2: Consider the following survey question: "Do you consider a microwave to be fast and convenient?" This is an example of a ________ question.

Answer:

Double-barreled.

Question 3: Mode-

Answer:

A measure of central tendency; the score in a distribution that occurs with the greatest frequency.

Question 4: measure of variation-

Answer:

A number that indicates the degree to which scores are either clustered or spread out in a distribution.

Question 5: When children are used as research participants:

Answer:

informed consent must be obtained from the parents or legal guardians.Question 6: __ sampling is a sampling technique that involves ensuring that the sample is like the population on certain characteristics but uses convenience sampling to obtain the participants.

Answer:

Quota

Question 7: qualitative variable-

Answer:

A categorical variable for which each value represents a discrete category.

Question 8: Reliability

Answer:

An indication of the consistency or stability of a measuring instrument

Question 9: Correlation coefficients can vary between

Answer:

-1.00 and +1.00 Question 10: __ reliability assesses the agreement of observations made by two or more raters or judges.

Answer:

Interrater

Question 11: Mean-

Answer:

A measure of central tendency; the arithmetic average of a distribution.

Question 12: Criterion validity/Predictive

Answer:

The ability of the test to predict future performance. How? Correlate performance on the test with a behavior in the future.

Question 13: Interview-

Answer:

A method that typically involves asking questions in a face-to-face manner, and it may be conducted anywhere.Question 14: A table in which the scores are grouped into intervals and listed along with the frequency of scores in each interval is a __

Answer:

class interval frequency distribution Question 15: Seven students reported the following individual earnings from their sale of wrapping paper: $7, $13, $3, $5, $2, $9, and $3. In this distribution of individual earnings, the mean is __ the mode and __ the median.

Answer:

greater than;greater than

Question 16: action item-

Answer:

A type of item used on a checklist to note the presence or absence of behaviors.

Question 17: Discrete variables

Answer:

Variables that usually consist of whole number units or categories and are made up of chunks or units that are detached and distinct from one another. Clue: no fractional. Most nominal and ordinal, some interval and ratio.Question 18: Studies in which the participants are aware ... behavior utilize ________ observation and studies in which the researcher does not participate in the situation in which the research participants are involved utilize ______ observation.

Answer:

Undisguised; Nonparticipant

Question 19: Which of the following is not a type of validity?

Answer:

split-half validity

Question 20: If observers disagree 20 times out of 80, then the interrater reliability is __

Answer:

.75 Question 21: Stability over time is to __ reliability and equivalency of items is to __ reliability.

Answer:

test/retest;split-half Question 22: A committee charged with evaluating research projects in which human

participants are used is a(n):

Answer:

Institutional Review Board.

Question 23: normal distribution-

Answer:

A theoretical frequency distribution that has certain special characteristics.

Question 24: Split-half reliability

Answer:

A reliability coefficient determined by correlating scores on one half of a measure with scores on the other half of the measure [for a group of people]. Measures: equivalency of items.

Question 25: Interval scale

Answer:

A scale in which the units of measurement (intervals) between the numbers on the scale are all equal in size. Ex. Temperature, psych tests. Properties-Identity, magnitude, equal unit size. Math-Add, subtract, multiply, divide.

Question 26: average deviation -

Answer:

An alternative measure of variation that, like the standard deviation, indicates the average difference between the scores in a distribution and the mean of the distribution.