educational self assessment

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Research in which the researcher uses the qualitative paradigm for one phase and the quantitative paradigm for another phase is known as

A positive correlation is present when

When data are heterogeneous, you can place more trust in measures of central tendency.

In a grouped frequency distribution, intervals should be

If a distribution is skewed to the left, it is

Which represents the fiftieth percentile or middle point?

How many dependent variables are used in multiple regression?

If a test is very easy except for a few very low scores, the distribution is

Which measure of central tendency takes into account the magnitude of scores?

The median is

Which is interpreted as the percentage of scores in a reference group that fall below a particular raw score?

What is the mean of this set of numbers: 4, 6, 7, 9, 2000000?

What is the median of: 4, 6, 7, 9, 2000000?

Which is NOT a measure of central tendency?

Which is NOT a measure of variability?

Which is a raw score transformed into standard deviation units?

Which is the formula for range?

The ____ is preferred when data are severely skewed.

____ are used to visually examine the relationship between two quantitative variables.

The ____ is the value calculated for the arithmetic average.

Focusing on describing data versus making inferences is the difference between

As a general rule, the ____ is the best measure of central tendency because it is more precise.

The most frequently occurring number in a set is the

The goal of ____ is to summarize and explain a specific set of data.

A graph using vertical bars is called a

A data set organized as participants (rows) × variables (columns) is called a data set.

Hypothesis testing and estimation are types of descriptive statistics.

The standard deviation is:

The denominator (bottom) of the z-score formula is

Approximately what percentage of scores fall within one standard deviation of the mean in a normal distribution?

What is the median of the following set of scores? 18, 6, 12, 10, 147

Which of the following is possible in a factorial design with two independent variables?

A sequencing effect where performance is influenced by prior treatment is called

The influence of a single independent variable is called

A design where all participants take part in all treatment conditions is

The primary goal of experimental research is to identify the effect of the

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Manipulating the independent variable by varying the type presented to groups is called

A cell is a combination of two or more ___ in a factorial design.

Which term is not related to counterbalancing?

Which control technique controls for both known and unknown variables?

The group that receives the experimental treatment condition is the

Which is not a way to manipulate an independent variable?

When all participants receive all treatment conditions, the study is susceptible to

Non equivalent groups design is likely to control which threat?

Alteration in performance due to awareness of participation in a study is known as

Which is not a direct threat to internal validity?

This type of validity refers to the ability to generalize results across settings.

Which of the following is not a key threat to internal validity?

Which term describes the ability to generalize from the sample to the larger target population and its subpopulations?