Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Observational Studies01:11

Observational Studies

11.4K
Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One...
11.4K
Naturalistic Observations02:30

Naturalistic Observations

18.1K
If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
18.1K
Ordinal Level of Measurement00:55

Ordinal Level of Measurement

36.9K
The way a set of data is measured is called its level of measurement. Correct statistical procedures depend on a researcher being familiar with levels of measurement. For analysis, data are classified into four levels of measurement—nominal, ordinal, interval, and ratio.
Data measured using an ordinal scale are similar to nominal scale data, but there is one major difference. The ordinal scale data can be ordered. An example of ordinal scale data is a list of the top five national parks...
36.9K
Data Collection by Observations01:08

Data Collection by Observations

15.6K
Data collection refers to a systematic way of obtaining, observing, measuring, and analyzing accurate information. Observational studies are one of the most widely used methods of data collection. It involves collecting data by observing the behavior and physical characteristics of a sample without making any modifications to the sample.
An astronomer viewing the motion and brightness of stars in the sky and recording the data is an example of observational data collection. A botanist recording...
15.6K
Qualitative Analysis01:10

Qualitative Analysis

1.8K
Qualitative analysis is the process of identifying elements, ions, or compounds in an unknown sample. It is the first and most fundamental type of analysis based on the hierarchy of analytical goals. This hierarchy is significant as it provides a structured approach to scientific research, with qualitative analysis serving as the initial step, providing essential information before moving on to quantitative or other forms of analysis.
There are two main approaches to qualitative analysis:...
1.8K
Qualitative Analysis03:46

Qualitative Analysis

28.4K
For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...
28.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Impulsivity, Peers, and Delinquency: A Dynamic Social Network Approach.

Journal of quantitative criminology·2026
Same author

Longitudinal relations between reading and socio-behavioral skills in elementary school children: Existing knowledge, some preliminary findings, and future directions.

Advances in child development and behavior·2025
Same author

Exploring differential impacts of a parent intervention on reading and toy play across ethnic and linguistic groups.

Early childhood research quarterly·2025
Same author

Out of the Mouths of Babes: Black Children's Experiences of Emotion-Focused Racial-Ethnic Socialization, Coping, and Antiracist Resistance.

Behavioral sciences (Basel, Switzerland)·2025
Same author

Effect of Home-Based Transcranial Direct Current Stimulation on Cognitive Function in Patients with Mild Cognitive Impairment: A Two-Week Intervention.

Yonsei medical journal·2024
Same author

Between- and within-child level associations between externalizing and internalizing behavior problems in a nationally representative sample of US elementary school children.

Journal of child psychology and psychiatry, and allied disciplines·2024
Same journal

The Quality of Parent-Adolescent and Peer-Adolescent Relationships and Trust in Strangers.

The Journal of early adolescence·2026
Same journal

Developmental Progression of Perceived Gender Similarity in Early Adolescence.

The Journal of early adolescence·2026
Same journal

The Influences of Children's and Maternal Childhood Adversity on Externalizing Problems in Early Adolescence.

The Journal of early adolescence·2026
Same journal

Parental Factors Moderate the Association Between COVID-19 Disruption and Adolescent Emotional and Behavioural Difficulties.

The Journal of early adolescence·2025
Same journal

Adverse Childhood Experiences and Adolescent Early Non-Coital Sexual and Relationship Behaviors: A Latent Class Analysis.

The Journal of early adolescence·2025
Same journal

The Relationship between Perceived Friendship Quality and Self-Judgements in Adolescent Girls from London.

The Journal of early adolescence·2025
See all related articles

Related Experiment Video

Updated: Mar 26, 2026

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools
11:29

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools

Published on: June 20, 2020

9.9K

Measuring afterschool program quality using setting-level observational approaches.

Yoonkyung Oh1, D Wayne Osgood1, Emilie Phillips Smith1

  • 1The Pennsylvania State University.

The Journal of Early Adolescence
|January 29, 2016
PubMed
Summary
This summary is machine-generated.

This study evaluated caregiver interaction and promising practices rating scales for measuring afterschool program quality. Findings highlight the need to account for daily variations in observed quality for reliable youth development assessments.

Keywords:
Afterschool Program AssessmentCaregiver Interaction ScaleGeneralizability theoryPromising Practices Rating ScaleReliabilityValidity

More Related Videos

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
14:05

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Published on: January 23, 2017

29.8K
Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning
10:39

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning

Published on: August 29, 2025

1.3K

Related Experiment Videos

Last Updated: Mar 26, 2026

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools
11:29

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools

Published on: June 20, 2020

9.9K
Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
14:05

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Published on: January 23, 2017

29.8K
Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning
10:39

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning

Published on: August 29, 2025

1.3K

Area of Science:

  • Youth Development
  • Educational Psychology
  • Program Evaluation

Background:

  • Afterschool settings are crucial for positive youth development and interventions.
  • There is a growing need for reliable and valid measures of afterschool program quality.
  • Existing observational tools require further validation for assessing program dimensions.

Purpose of the Study:

  • To assess the reliability and validity of the Caregiver Interaction Scales (CIS) and Promising Practices Rating Scales (PPRS).
  • To determine the suitability of these tools for measuring afterschool setting quality.
  • To inform improvements in measurement design for afterschool program evaluation.

Main Methods:

  • Utilized two observational tools: Caregiver Interaction Scales (CIS) and Promising Practices Rating Scales (PPRS).
  • Examined the reliability and validity of these instruments in afterschool settings.
  • Analyzed data to assess the tools' effectiveness in capturing program quality dimensions.

Main Results:

  • Both CIS and PPRS show potential as reliable and valid tools for assessing afterschool quality.
  • The study identified areas for improvement in measurement design and instrument development.
  • Day-to-day fluctuations in observed afterschool quality significantly impact measurement accuracy.

Conclusions:

  • The evaluated instruments offer promise for measuring afterschool program quality.
  • Future research should focus on refining measurement tools and addressing observational variability.
  • Accurate assessment of afterschool quality is essential for effective youth interventions and development.